Words of “Wiz-dom”—There are a few basic rules about exponents that we need to review before we do a few sample problems. Do these review exercises, then we’ll get into how your opponent wants you to think.
Remember: Numbers have both positive and negative square roots. Memorize the squares of 1 through 15 and cubes through 5. You’ll be happy you did.
2. (5 – 2)3 =
(A) 35 – 32
(B) 53 – 23
(C) 25 -4
(E) 8 – 5
13. If and what is the value of xz?
12. If t is a negative fraction, which answer below must be true?
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