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Find the number of digits in 8 10? (Given that log 10 2 = 0.3010)

Correct Answer: 10

Explanation:

810 = (23)10
∴ Required answer = [30 log10 2 + 1]
= [30 x 0.3010] + 1
= 9.03 + 1
= 9 + 1
= 10


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