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Question

0.0000000798 can be expressed in standard form as


A

7.98 × 108

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B

7.98 × 109

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C

7.98 × 10-9

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D

7.98 × 10-8

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Solution

The correct option is D

7.98 × 10-8


Since the standard form of a number should have one non zero digit before decimal, so by moving the decimal 8 places right, we get 7.98 × 10-8


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