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STANDARD N.RN.A.1
AII Explain how the
definition of the meaning of rational exponents follows from extending the
properties of integer exponents to those values, allowing for a notation for
radicals in terms of rational exponents. For example, we define 51/3
to be the cube root of 5 because we want (51/3)3 = 5(1/3)3
to hold, so (51/3)3 must equal 5. |