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26 December, 08:30

Which expression is equal to 1/8000 written in scientific notation?

A. 8.0 x 10^3

B. 1.25 x 10^-10

C. 125 x 10^-5

D. 1.25 x 10^4

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Answers (1)
  1. 26 December, 09:51
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    1/8000 = 1/8 x 1/1000 = 0.125 x 10^-3 = 1.25 x 10^-1 x 10^-3 = 1.25 x 10^ (-1 + (-3)) = 1.25 x 10^ (-1 - 3) = 1.25 x 10^-4
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