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 - The Day Mom Drove the 8N - by Brian Browning. My Dad was wanting to put in a garden but couldn't operate the 8N and handle the old horse drawn plow he had found and rigged up to use with the tractor. Well, he decided to go get Mom out of the house and have her drive the tractor while he walked behind the plow. You got to understand that while my Mom is a hard worker who will always help whenever she can... she had never operated farm machinery before that day. Dad got her out there, explained how the clutch was the same as in our o
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