How do you simplify (2/5)^-3?

3 Answers
Mar 24, 2018

125/8

Explanation:

125/8
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Mar 24, 2018

125/8

Explanation:

(2/5)^-3 = (2)^-3 / (5)^-3

(1/2^3) / (1/5)^3 = (1/2^3) * (5^3/1)

=> 5^3 / 2^3 = (5*5*5) / (2 *2 *2) = 125/ 8

Mar 24, 2018

125/8

Explanation:

(2/5)^-3

(a/b)^-x = (b/a)^x

So , (2/5)^-3

=> (5/2)^3

=> 5^3/2^3

=> (5xx5xx5)/(2xx2xx2

=> 125/8