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(5/8)^-7 ×(8/5)^-4
(8/5)^7 ×(8/5)^-4
(8/5)^7+(-4)
(8/5)^3
512/125
(8/5)^7 ×(8/5)^-4
(8/5)^7+(-4)
(8/5)^3
512/125
Answered by
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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.
____________________
Hope it helps...!!!
____________________
(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.
____________________
Hope it helps...!!!
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