Write the denominator of the rational number257/500 in the form 2 m x 5 n , m and n are negative integers Hence write its decima
l expansion without actual division.
1 answer:
Answer:
0.514
Step-by-step Explantion:
Denominator = 500 = 2^2 * 5^3
257/500 = 257/2^2*5^3 = 2*257/2*2^2*5^3 = 514/2^3*5^3 = 514/(2*5)^3 = 514/10^3 = 0.514
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