Question

the number of decimal places after this the decimal expansion of the irrational number 91/2^6×5^5​

Answer 1

Answer : this no terminate after 6 decimal expansion because the maximum power is 6. Or we can solve it

=91/2^6×5^5

Multiply by 5 in numerator and denominator to make the power 5^5to5^6

=91×5/2^6×5^6

=455/(2×5)^6. [a^m×b^m=(a×b)^m]

=455/10^6

=0.000455

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