Question

write the denominator of the rational number 257/500 in the form of 2^m X 5^n where n and m are non negative integers .Hence write its decimal expansion without actual division ​

Answer 1

5 × 10 × 10 = 500

5× 2×5×2×5=500

2^2×5^3= 500

Answer 2

Hey mate your answer is in attachment

please check

hope this helps you