Question

please solve it
it is very important

Answer 1

Hey!

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(5/8)^-7 × (8/5)^-4

(5/8)^-7 × (5/8)^4

[ a^b × a^c = a^ b+c ]

(5/8)^-7+4
(5/8)^-3
(8/5)^3
8×8×8/5×5×5
=2560

If we reciprocal a number, power in negative becomes positive and positive one becomes negative.

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Hope it helps...!!!

Answer 2

{5/8}^-7 × {8/5}^-4
{5/8}^-7 × {5/8}^4
{5/8}^-7+4
{5/8}^-3
{8/5}^3
512/125
Hope it helps.............