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3 votes
Which of the following is equivalent to (4 x 10^-7) + (5 x 10^-7)

A. 9 x 20^-14

B. 90^-7

C. 9 x 10^-7

D. 9 x 20^-7

User Eteq
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6.1k points

1 Answer

6 votes
The correct answer is D
User Chayala
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