Question

Simplify and express the answer in the positive exponential form: ​

Answer 1

Step-by-step explanation:

$( \frac{ - 3}{7} ) ^{5 - 9} + ( \frac{7}{3} ) ^{ - 2} \\ ( \frac{ - 3}{7} )^{ - 4} + ( \frac{7}{3} ) \\ reciprocal \: first \: fraction \\ ( \frac{7}{3} ) ^{4} + ( \frac{7}{3} ) ^{2} \\ \\ common \\ ( \frac{7}{3} ) ^{4 + 2} \\ ( \frac{7}{3} ) ^{6}$