How do you simplify $(2/5)^-2$ and write it using only positive exponents?

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Answer 1 · 2017-06-06T13:36:54

$(5/2)^2$

You can change a negative exponent to a positive exponent by getting the reciprocal of the base.

$a^b=1/a^-b$

This can also be reversed.

$a^-b=1/a^b$

How do you simplify (2/5)^-2(2/5)^-2 and write it using only positive exponents?