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    moe6142's Avatar
    moe6142 Posts: 11, Reputation: 1
    New Member
    		  
    #1

    Feb 8, 2009, 12:48 PM
    simplifiying exponents
    (12x^2y^-1)
    (-----------------) ^-2
    (-8x^-3y^4)

    how do I simplify and write with positive exponents
    the ^-2 is multiplied to all the exponents and coefficient
    rwinterton's Avatar
    rwinterton Posts: 289, Reputation: 15
    Full Member
    		  
    #2

    Feb 9, 2009, 08:13 AM

    Remember that a negative exponent is simply the inverse of the same equation to a positive exponent.

    So:

    (X/Y)^-2 = (Y/X)^2
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