Question

{(5/4)power-2}power-1​

Answer 1

Step-by-step explanation:

{(5/4)-² }-¹

={( 4/5)²}-¹

=( 16/25)-¹

= 25/16 answer

Answer 2

Solution

$\implies {( ({ \frac{5}{4} })^{ - 2}) }^{ - 1}$

$\implies {0.64}^{ - 1}$

$\implies1.5625$

Hope it helps you...