julietar2101 julietar2101

29-10-2022
Biology

Answered

What fraction of time have modern humans been on this planet? Write out the number in scientific notation.

A. 4 × 10^-8

B. 4 × 10^-6

C. 4 × 10^-4

D. 4 × 10^-5

E. 4 × 10^-7

Answer :

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