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March 28, 2017

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Simplify the following:

1) 32^1.2


2) (-216)^(-2/3)


3) -(-27)^(-4/3)




Note: 32^1.2 is 32 raised to the 1.2 power

  • MaTH - ,

    1. 32=2^5
    32^1.2=(2^5)^1.2=2^10

    2. -216=-2*108=-2*2*54=-2*2*2*27=
    =-2^3 *3^3

    ((-6)^3)^-2/3= Now the sign is tricky.

    The cube root of a negative number is negative.

    - 1/36

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