(2x^-2 y^3/6xz^5)^-4

Answer is 81x^12 z^20/y^12

how is this so?

Printable View

- Feb 1st 2010, 09:08 PMSSKSimplify: Write Answer Only Using Positive Exponents
(2x^-2 y^3/6xz^5)^-4

Answer is 81x^12 z^20/y^12

how is this so? - Feb 2nd 2010, 03:04 AMGrandad
Hello SSKFirst, invert the fraction to get rid of the negative power outside the bracket:

Simplify: