The number of digits in 4 ^9 times 5 ^17, when expressed in usual form, is – – OfficerPath

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MCQ Practice

The number of digits in 4 ^9 times 5 ^17, when expressed in usual form, is -

Subject: MathematicsTopic: Logarithm

A

16

B

17

C

18

D

19

Correct Answer: C

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