Question

simplify: following questions​

Answer 1

This means->

(1/3 × 1/5)÷1/7

1/15×7

7/15

Answer 2

$( {3}^{ - 1} \times {5}^{ - 1} ) \div {7}^{ - 1} \\ ( { \frac{1}{3} })^{1} \times ({ \frac{1}{5} })^{1} \div ({ \frac{1}{7} })^{1} \\ \frac{1}{3} \times \frac{1}{5} \times 7 \\ \frac{7}{15}$