Question

evalute the followings 1 (7/3power 3 ×9/7power-2×3/7

Answer 1

$1 \frac{7}{3}^{3} \times \frac{9}{7}^{ - 2} \times \frac{3}{7 } \\ \\ {7}^{2} \times 9^{ - 2} \times \frac{1}{7} \\ \\ 7 \times {9}^{ - 2} \\ \\ 7 \times \frac{1}{9 \: ^{2} } \\ \\ 7 \times \frac{1}{81} \\ \\= \frac{7}{81}$