# Write the denominator of the rational number 257/5000 in the form 2^m x 5^n, where m, n are non-negative integers

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Write the denominator of the rational number 257/5000 in the form 2m x 5n, where m, n are non-negative integers. Hence, write its decimal expansion, without actual division.

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Solution:
Denominator = 5000 = 23 x 54