Question

The radius of sphere is an, then find its volume. OR
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Answer 1

$\sf {2}^{(x - 5)} = {2}^{7} \implies x - 5 = 7 \implies x = 5 + 7 = 12$

Value of x = 12

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Answer 2

Answer:

2^(x-5) = 256

2^x/2^5= 256

2^x /32 = 256

2^x = 8192

x = 13