Question

If 5 power x = 125 power -1 , find the value of:
2 power x

Answer 1

hi frnd!!

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given, 5^x=125^(-1)

→ 5^x=1/125

→5^x=1/5³

→5^x=5^(-3)

x=-3

now , 2^(-3)=1/2³=1/8

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I hope this will help you ;)