Question

If 3^x-1=81 then find x^x​

Answer 1

Answer:

$3125$

Step-by-step explanation:

${3}^{x - 1} = 81 \\ {3}^{x - 1} = {3}^{4} \\ as \: bases \: are \: equal \: we \: equate \: the \: powers \\ x - 1 = 4 \\ x = 4 + 1 \\ x = 5 \\ {5}^{5} = 3125$