4/(125)^-2/3 - 1/(16)^-3/4
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10
Answer:92
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Answered by
9
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=4/(125)^-2/3-(16)^-3/4
because of [1/(a)^-1=a and (a)^-1=1/a]
=4(125)^2/3 - (16)^3/4
since [(5)³=125 and (2)⁴=16]
=4{(5)³}⅔ - {(2)⁴}¾
=4(5)^3×2/3 - (2)4×3/4
=4(5)^2 - (2)^3
=4(25)-8
=100-8
=92
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