Since problem #1 started with the whole fraction raised to the minus 3 power, you could raise everything to the 3rd power as you have asked, but it is usually easier in the long run if you first look to see if the numbers can be reduced. You'll get the same answer either way. So it's just easier to reduce 9/12 to 3/4, than it is to raise the 9 and the 12 to the 3rd power, then have to figure out how to reduce 729/1728 . As for the negative exponent, that denotes the reciprocal. So, you can get rid of the minus sign in front of the "-3" by simply turning the whole fraction upside down. For example: (3/4) to the -2 power would be the same as (4/3) to the 2 power. Sorry that I forgot to multiply all of the exponents by 3 in the answer I gave you last night. No one should do Algebra at that time of day, let alone a retiree! -- Tom
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Today's Featured Article - Usin Your Implements: Bucket Loader - by Curtis Von Fange. Introduction: Dad was raised during the depression years of the thirties. As a kid he worked part time on a farm in Kansas doing many of the manual chores. Some of the more successful farmers of that day had a new time saving device called a tractor. It increased the farm productivity and, in general, made life easier because more work could be done with this 'mechanical beast'. My dad dreamed that some day he would have his own tractor with every implement he could get. When he rea
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