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26-06-2018
Mathematics

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What is the following number in decimal form? 8.49 × 10 –7

A. 0.0000000849

B. 0.000000849

C. 8,490,000

D. 849,000,000

Respuesta :

mathstudent55 mathstudent55

26-06-2018

Start with the decimal point after the 8.
Now move it to the left 7 places (from the exponent -7).
You need to add place holder zeros.

Answer is:
0.000000849 which is choice B.

Answer Link

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