Question

Find x, if (3)^−10÷( 3)^−2=( 3)^−4

Answer 1

Answer:

${3}^{ - 10} \div {3}^{ - 2 } = {3}^{ - 4} \\ {3}^{ - 8 } = {3}^{ - 4} \\ = {3}^{ - 8} \times {3}^{4} \\ = {3}^{ - 4 } \\ = \frac{1}{81}$

I hope you can understand