Math, asked by eswarreddy161981, 5 months ago

if log 3=0.4771,then the number of digits in (81)11 is
1) 20
2) 21
3)22
4)23

Answers

Answered by moinuddin2907

1

Answer:

Log 3 = 0.4771

log 81¹¹ = 11 log 81

= 11 × log 3⁴

= 11 × 4 × log 3

= 44 × 0.4771

= 20.9924

No.of digits = 21

2) 21 is the answer

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