The expression which is equivalent to (2³)^-5 is; 1/(2)^15.
By the law of indices, it follows that exponents as that given in the task content can be evaluated as follows;
(2³)^-5
= (2) ^(3×-5)
= 2 ^(-15)
Hence, the expression can be rewritten as; 1/(2)^15.
Read more on indices;
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