Question

simply:-(2^-1÷5^-1)^2 *(-5/8)^-2​

Answer 1

Step-by-step explanation:

a^-1 =1/a

(a/b)^-m =(b/a)^m

square of negative no. is positive

1 1 5

__ ÷ __ = __

2 5 2

(-5/8)^-2 = (8/5)²

5/2 ×8/5×8/5 =32/5 =6.4

Answer 2

${\blue{\underline{\underline{\purple{\textsf{\textbf{question : }}}}}}}$

simply:-(2^-1÷5^-1)^2 *(-5/8)^-2

${\blue{\underline{\underline{\purple{\textsf{\textbf{answer : }}}}}}}$

(2^-1÷5^-1)^2 *(-5/8)^-2

=(1/2÷1/5) × (-8/5)^2

=(1/2×5)^2 × 64/25

=(5/2)^2 × 64/25

=25/4 × 64/25

=64

${\blue{\underline{\underline{\purple{\textsf{\textbf{64 = answer }}}}}}}$