Question

If 5^x = 625 , find the values of 3^x and 2^x – 1

Answer 1

Answer:

${5}^{x} = 625$

${5}^{x} = {5}^{4}$

$x = 4$

${3}^{x} = {3}^{4} = 81$

${2}^{x} - 1 = {2}^{4} - 1$

$= 16 - 1 = 15$

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