Question

by what number should 5 upon 3 raise to the power minus 2 be multiplied so that the product be maybe 7 upon 3 raise to the power minus 1

Answer 1

$= \frac{5 {}^{ - 2} }{3} \\ = 5 \times - 2 \\ = \frac{ - 10}{3 } \\ = 10 - 3 = 7 \\ = \frac{7 {}^{ - 1} }{3}$