nolu6taacrea3lyvonne nolu6taacrea3lyvonne

18-12-2016
Mathematics

Answered

Write the standard number 0.007864 in scientific notation.

A

7.864 × 10^-3

B

7.864 × 10^3

C

7.864 × 10^-2

D

78.64 × 10^-3

Verified Answer :

pingwin09 pingwin09

18-12-2016

To write a scientific notation, make sure first that only one significant digit is next to the decimal point.
In this case, you move three decimal places to the right. As you move the decimal point to the right, the power of 10 is negative. So the answer is A.

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