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Answer Key
Grade 8 Math: Properties of Exponents Applications & Orders of Magnitude
1.
a power-of-ten scale for size comparison
2.
3 × 10³
3.
45,000
4.
2 × 10⁶
5.
3
6.
10⁷
7.
10⁵
8.
10⁶
9.
increasing: 10⁻² < 10⁰ < 10³ < 10⁶
10.
~10¹¹
11.
1.2 × 10²
12.
factor 9 < 10
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