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Determination of Significant Digits in a Number

The total num...

Question

The total number of 8 digit numbers is

A

9,000

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B

9,00,000

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C

9,00,00,000

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D

None of these

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Solution

The correct option is C 9,00,00,000
Total number $= 9 \times 10^{n - 1}$ Here n = 8

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