Simplify and give reasons (4/7)-5×(7/4)-4
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Answer:
it's answer is 7/4 because when u equal the bases, its power get added and the power become 1. the answer will 7/4.
Step-by-step explanation:
(4/7)^-5*(7/4)^-4
=> (7/4)^5*(4/7)^4
=> (16807/1024)*(256/2401)
=> 7/4
or
=> (7/4)^5+(-4)
=> (7/4)^1
=> 7/4
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