(5x10to the negative 6)(20x10 to the fourth)divided by(4x10 to the negative five

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(5x10to the negative 6)(20x10 to the fourth)divided by(4x10 to the negative five

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## Answers (1)

Multiply the simple integers and add the exponents of the powers of ten:

(5x10^-6) (20x10^4) / (4x10^-5) =

(5x20/4) 10^(-6+4+5) = 25 x 10^3 = 2.5 x 10^4