Question

Find m :7 raised to the power m-5 = 1

Answer 1

Answer:

5

Step-by-step explanation:

${7}^{ m - 5} = 1 \\ take \: log \\ log ({7})^{m - 5} = log(1 )\\ (m - 5) log(7 ) = log(1 ) \\ (m - 5) log(7) = 0 \\ m - 5 = 0 \\ m = 5$