Question

Find the value of x if 2

−7 × 5

−4 = 1250.​

Answer 1

Answer: 8

It is very simple.

Step-by-step explanation:

$2^{x-7} *5^{x-4} = 1250\\ as\ 1250 = 2 * 5^4\\2^{x-7}*5^{x-4}=2*5^4\\therefore\x-7=1\\and \ x-4=4\\therefore, x=8\\Hence found.$

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