My Math Forum need help with laws of indices

 Algebra Pre-Algebra and Basic Algebra Math Forum

 January 25th, 2010, 02:25 PM #1 Newbie   Joined: Jan 2010 Posts: 1 Thanks: 0 need help with laws of indices my book says to remove the brackets from (x3 y7)4 (x to the power of 3, y to the power of 7, and to the power of four outside the brackets, all numerals small) Can anyone help?
 January 25th, 2010, 03:17 PM #2 Global Moderator   Joined: Dec 2006 Posts: 20,114 Thanks: 1909 Multiply exponents. To illustrate, (x³)² = ((x)(x)(x))² = ((x)(x)(x))((x)(x)(x)) = x^6.

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