Braedon Johnston

Mathematics

9 March, 03:44

Jamie used a microscope to measure the diameter of a hair. She found that the diameter of

the hair was 0.000072 meter. How is this number written in scientific notation?

A 7.2 * 10^-5

B 7.2 * 10^6

C 7.2 * 10^5

D 7.2 * 10^-6

+4

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