Question

answer me this question no. 14.......​

Answer 1

hope this helps you....

Answer 2

Hello Friend....☺

$= {7}^{0} \times {25}^{ \frac { - 3}{2} } - {5}^{ - 3} \\ = 1 \times \frac{1}{125} - \frac{1}{125} \\ = \frac{1}{125} - \frac{1}{125} \\ \\ = 0$