Question

the product of two numbers is 2by5 to the power -3 if one of them is 5by4 to the power -2 find the other
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Answer 1

Answer:

-2

Step-by-step explanation:

Let the unknown value be x.

As per the given question,

(2/5)^-3=(5/4)^-2*x

          x=(2/5)^-3/(5/4)^-2

          x=-2

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