Question

7 to the power 5 into 7 to the power minus 3 into 7 to the power minus 1

Answer 1

${7}^{5} \times {7}^{ - 3} \times {7}^{ - 1} \\ = {7}^{5 + ( - 3) + ( - 1)} \\ = {7}^{1} \\ = 7$