Subtract 9 × 10^5 from 9.1 × 10^5. Standard form?
A1 × 10^-1
B1 × 10^6
C1 × 10^4
D1 × 10^5
Answer & Solution
Correct answer: C. 1 × 10^4
The difference is 0.1 times 10 to the fifth power, equal to 1 times 10 to the fourth power.
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