Question

fast plz solve request
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Answer 1

Hey mate , Here is ur answer for all the above questions...°•°•°•°○●○●○●○

(1) (5^-2 × 2^-1)

= (1/ 5^2× 1/2)

= (1/25× 1/2)

=1/50

(2) (2^2× 4^-1)^-1

= (4× 1/4)^-1

=(1)^-1

=1

(3)(3/4)^-3 × (8/9)^-1

= (4/3)^3 × (9/8)

= 64/27× 9/8

= 8/3

(4)( 2/5)^20 ÷ (5/2)22

= (2/5)^20 × (2/5)^22

= (2/5)^42

°•○●□■♤♡◇♧☆▪¤

Hope it helps.....