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Math Problems
Grade 7
Integer multiplication and division rules
Which of the following statements about the forward reaction is not true
\newline
1
H
1 \mathrm{H}
1
H
is negative
\newline
2
2
2
The reaction is exothermic
\newline
3
3
3
The energy content of the product is greater than the reactant
\newline
4
4
4
The energy necessary for the reverse reaction is greater than for the forward reaction
\newline
1
1
1
\newline
2
2
2
\newline
3
3
3
\newline
4
4
4
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What is the sign of
−
4
÷
−
8
-4 \div-8
−
4
÷
−
8
?
\newline
Choose
1
1
1
answer:
\newline
(A) Positive
\newline
(B) Negative
\newline
(C) Zero
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(
(
10
−
6
+
5
)
÷
9
)
×
2
((10-6+5) \div 9) \times 2
((
10
−
6
+
5
)
÷
9
)
×
2
\newline
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rac{
2
2
2
}{
5
5
5
}x -
7
7
7
= rac{
6
6
6
}{
5
5
5
}x -
6
6
6
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