How do you solve 2/3 [(5+3) ^-3]

asked Jun 5, 2019 197k views

2 votes

How do you solve
2/3 [(5+3) ^-3]

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5 votes

$(2)/(3)[(5+3)^(-3)]=(2)/(3)(8)^(-3)\\\\\text{use}\ a^(-n)=(1)/(a^n)\\\\=(2)/(3)\cdot(1)/(8^3)=(2)/(3\cdot512)=(1)/(3\cdot256)=(1)/(768)$

Rohanphadte answered Jun 11, 2019

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