Question

Help me please
Solve the question please..... ​

Answer 1

1)(5/7)^-1*(7/4)^-1

=7/5*4/7

=4/5

2){(-2/3)^2}^3

= (-2/3)^6

=64/729

Answer 2

(i) ((5/7)^ -1 ) × ((7/4)^ -1)

=7/5 × 4/7

=4/5 = answer.

(ii) {(-2/3)^ 2}^3

={ 4/9} ^3

=64/ 729= answer.

Hope it helps