Question

Can someone help me with one math question please?
*PIcture is attached*

Answer 1

((−3/4)5)2

= ((−3/4)5)*((−3/4)5)

=((−3/4)*(−3/4)*(−3/4)*(−3/4)*(−3/4))*((−3/4)*(−3/4)*(−3/4)*(−3/4)*(−3/4))

(−3/4) exponent 10

= (−3)*(−3)*(−3)*(−3)*(−3)*(−3)*(−3)*(−3)*(−3)*(−3) / 4*4*4*4*4*4*4*4*4*4

= (−3) exponent 10 / 4 exponent 10

= 59049/1048576 or 0.056314)

Answer 2

= (-3/4)⁷

Explanation:

According to one of the laws of indices, which is (a^m)^n = a^mn

[(-3/4)⁵]² = (-3/4)⁷