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Math Problems
Grade 8
Evaluate numerical expressions involving rational numbers
Evaluate the expression.
\newline
0.7
×
1
+
0.2
0.7 \times 1 + 0.2
0.7
×
1
+
0.2
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
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Evaluate the expression.
\newline
4
+
5
×
0.6
4 + 5 \times 0.6
4
+
5
×
0.6
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
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Evaluate the expression.
\newline
0.8
−
0.2
×
3
0.8 - 0.2 \times 3
0.8
−
0.2
×
3
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
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Evaluate the expression.
\newline
0.7
+
0.5
×
0.4
0.7 + 0.5 \times 0.4
0.7
+
0.5
×
0.4
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
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This is the only question in this section.
\newline
Question
\newline
Use the trinomial
4
x
2
−
12
x
+
9
4 x^{2}-12 x+9
4
x
2
−
12
x
+
9
to complete the following sentence
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Evaluate the expression shown below and write your answer a mixed number or fraction in simplest form, or a decimal.
\newline
−
7.2
(
2
+
8
)
0.8
+
4
(
−
2.3
+
7.3
)
\frac{-7.2(2+8)}{0.8}+\frac{4}{(-2.3+7.3)}
0.8
−
7.2
(
2
+
8
)
+
(
−
2.3
+
7.3
)
4
\newline
Answer Attempt
1
1
1
out of
2
2
2
\newline
Answer type: Mixed number
\newline
Submit Answer
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Evaluate the expression.
\newline
0.7
+
0.8
8
0.7 + \frac{0.8}{8}
0.7
+
8
0.8
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
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Evaluate the expression.
\newline
0.1
+
0.3
×
1
0.1 + 0.3 \times 1
0.1
+
0.3
×
1
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
1
×
0.3
+
0.5
1 \times 0.3 + 0.5
1
×
0.3
+
0.5
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
0.3
−
0.1
+
0.5
0.3 - 0.1 + 0.5
0.3
−
0.1
+
0.5
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
5
×
0.4
+
2
5 \times 0.4 + 2
5
×
0.4
+
2
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
0.3
+
1
×
0.2
0.3 + 1 \times 0.2
0.3
+
1
×
0.2
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
6
−
3
÷
0.5
6 - 3 \div 0.5
6
−
3
÷
0.5
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
0.1
−
0.5
×
0.2
0.1 - 0.5 \times 0.2
0.1
−
0.5
×
0.2
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
0.3
+
0.6
−
0.2
0.3 + 0.6 - 0.2
0.3
+
0.6
−
0.2
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
3
÷
0.5
−
6
3 \div 0.5 - 6
3
÷
0.5
−
6
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
0.8
−
0.6
÷
2
0.8 - 0.6 \div 2
0.8
−
0.6
÷
2
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
0.6
+
0.4
÷
4
0.6 + 0.4 \div 4
0.6
+
0.4
÷
4
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
0.1
+
0.7
×
1
0.1 + 0.7 \times 1
0.1
+
0.7
×
1
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
0.2
÷
0.1
+
1
0.2 \div 0.1 + 1
0.2
÷
0.1
+
1
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
0.7
−
0.2
×
2
0.7 - 0.2 \times 2
0.7
−
0.2
×
2
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
0.1
÷
1
×
7
0.1 \div 1 \times 7
0.1
÷
1
×
7
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
0.6
÷
0.1
+
2
0.6 \div 0.1 + 2
0.6
÷
0.1
+
2
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
0.8
÷
1
×
5
0.8 \div 1 \times 5
0.8
÷
1
×
5
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
0.7
−
0.8
×
0.5
0.7 - 0.8 \times 0.5
0.7
−
0.8
×
0.5
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
9
−
5
×
0.8
9 - 5 \times 0.8
9
−
5
×
0.8
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
0.3
+
0.2
−
0.5
0.3 + 0.2 - 0.5
0.3
+
0.2
−
0.5
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
0.9
−
0.8
÷
8
0.9 - 0.8 \div 8
0.9
−
0.8
÷
8
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
3
−
2
×
0.5
3 - 2 \times 0.5
3
−
2
×
0.5
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
0.1
×
3
÷
0.5
0.1 \times 3 \div 0.5
0.1
×
3
÷
0.5
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
3
+
4
×
0.5
3 + 4 \times 0.5
3
+
4
×
0.5
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
0.4
÷
0.1
×
1
0.4 \div 0.1 \times 1
0.4
÷
0.1
×
1
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
0.5
×
0.4
+
0.8
0.5 \times 0.4 + 0.8
0.5
×
0.4
+
0.8
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
0.6
−
0.1
×
3
0.6 - 0.1 \times 3
0.6
−
0.1
×
3
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
0.1
×
2
+
0.6
0.1 \times 2 + 0.6
0.1
×
2
+
0.6
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
0.2
−
0.4
×
0.5
0.2 - 0.4 \times 0.5
0.2
−
0.4
×
0.5
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Evaluate the expression.
\newline
0.7
−
0.3
×
2
0.7 - 0.3 \times 2
0.7
−
0.3
×
2
\newline
Write your answer as an integer or a decimal. Do not round.
\newline
____
\newline
Get tutor help
Use an exponent to condense the expression below. Then compute.
\newline
−
2
×
−
2
×
−
2
×
−
2
-2 \times-2 \times-2 \times-2
−
2
×
−
2
×
−
2
×
−
2
\newline
Type the base, then use the
a
b
a^{b}
a
b
button or use the
∧
{ }^{\wedge}
∧
symbol on your keyboard for the exponent.
\newline
Condensed form:
\newline
Answer:
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Use an exponent to condense the expression below. Then compute.
\newline
−
1
×
−
1
×
−
1
×
−
1
-1 \times-1 \times-1 \times-1
−
1
×
−
1
×
−
1
×
−
1
\newline
Type the base, then use the
a
b
a^{b}
a
b
button or use the
∧
{ }^{\wedge}
∧
symbol on your keyboard for the exponent.
\newline
Condensed form:
\newline
Answer:
Get tutor help
Use an exponent to condense the expression below. Then compute.
\newline
−
1
×
−
1
-1 \times-1
−
1
×
−
1
\newline
Type the base, then use the
a
b
a^{b}
a
b
button or use the
∧
{ }^{\wedge}
∧
symbol on your keyboard for the exponent.
\newline
Condensed form:
\newline
Answer:
\newline
Submit Answer
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