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Math Problems
Grade 8
Scientific notation on calculators
Solve for
\newline
X
X
X
*
\newline
X
=
41
X=41
X
=
41
\newline
X
=
31
X=31
X
=
31
\newline
x
=
36
x=36
x
=
36
\newline
X
=
108
X=108
X
=
108
\newline
Find the measures of angle
A
A
A
. The triangle is not drawn to scale. *
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At
2.4
×
1
0
8
2.4 \times 10^8
2.4
×
1
0
8
years old, the Nyasasaurus parringtoni may be the oldest known dinosaur that lived on Earth. How many millions of years old is it?
\newline
\newline
____ million years old
\newline
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During its orbit around the sun, Venus gets as close as
4
×
1
0
7
4 \times 10^7
4
×
1
0
7
kilometers from Earth and as far as
2.6
×
1
0
8
2.6 \times 10^8
2.6
×
1
0
8
kilometers from Earth. What is the difference between these distances? Write your answer in scientific notation.
\newline
______ kilometers
\newline
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power of the base
\newline
4
4
4
.
2
2
⋅
2
3
2^{2} \cdot 2^{3}
2
2
⋅
2
3
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The age of my best friend Marc is when it is divided by each of the numbers
6
6
6
,
8
8
8
,
9
9
9
or
12
12
12
, we find
4
4
4
as the remainder. *What is it?*🔥
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What is the volume of the rectangular prism? *
\newline
Your answer
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If
3
x
=
18
3 x=18
3
x
=
18
, what is the value of
6
x
+
3
?
6 x+3 ?
6
x
+
3
?
*
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Find the area of the following figure. *
\newline
Your answer
\newline
This is a required question
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Evaluate:
\newline
3.14
3.14
3.14
×
\times
×
49
2
\frac{49}{2}
2
49
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y
=
x
2
−
2
x
−
3
y=x^{2}-2 x-3
y
=
x
2
−
2
x
−
3
\newline
Your answer
\newline
(
1
1
1
.) This is a required question
\newline
Find the vertex of the following parabola: *
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Write this number in standard form.
\newline
3.945
×
1
0
3
=
[
?
3.945 \times 10^{3}=[?
3.945
×
1
0
3
=
[
?
\newline
Enter
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3146425423
×
4653
3146425423\times4653
3146425423
×
4653
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12312
×
81263
12312\times81263
12312
×
81263
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654
∗
654
/
8
654*654/8
654
∗
654/8
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Simplify. Your answer should be in proper scientific notation:
\newline
Triple
6.2
×
1
0
3
6.2 \times 10^{3}
6.2
×
1
0
3
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