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 - On the Road with Dave Gohl: Auction Musings - by Dave Gohl. I was thinking the other day about all the auctions I've been to in the last few years. There've been many. Some have been very good, some have been well, disappointing to say the least. But no matter how good or bad auctions may be, we always seem to stay until the item we've come for or are interested in is on the block. I've been to some auctions near and far. I think the furthest has been the Two Cylinder 7 in the Amana Colonies last year. Lots of stuff, lots of people. I've also atten
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