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Scientific Notation and Powers of Ten
Grade Level
PSAT Prep
013 Scientific Notation and Powers of Ten
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What is ((8.4 × 10
5
) - (6.9 × 10
5
)) × 10^-3 in standard scientific notation?
A
1.5 × 10^-2
B
1.5 × 10
8
C
15 × 10
1
D
1.5 × 10
2
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