425 in scientific notation?

2017-01-11 9:49 am
Write 425 in scientific notation.

Can someone explain to me how to do this?

回答 (2)

2017-01-11 10:02 am
425 = 42.5 × 10 = 4.25 × 100 = 4.25 × 10²
2017-01-11 9:49 am
4.25 x 10^2


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