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Zero and Negative Exponents


Jenna Mar

on 8 October 2009

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Transcript of Zero and Negative Exponents

Zero and Negative Exponents Negative Exponents Zero Exponents = a -b a b _____ 1 a 0 Ex. = 1 (-a) 0 =1 -a 0 = -1 Any positive variable or number to the power of 0 is always 1. If the base is negative, and the exponent is zero, the answer is -1, because the exponent only applies to the base (which means the number becomes like a positive, and the negative sign is added on to the answer). If the base is negative and in brackets, then the exponent (0) applies to everything inside the brackets, so the answer is 1. Ex. Ex. a negative exponent is the same as 1 divided by the positive exponent. To solve for a negative exponent, first deal with the exponent (a ) then divide by 1. b Ex. 2 -3 = 1 2 3 _____ 2 3 = 8 8 1 ____ = 0.125 2 -3 = 0.125 1 OR ___ 8 so... By: Jenna and Alisha END
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