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# Hw 2 - HW 2(R6-R7 1.1 and 1.2 Math 1325 Spring 2010...

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HW 2 (R6-R7, 1.1, and 1.2) Math 1325 Spring 2010 Calculus with Applications I Due on: 1/27 Name Instructions: Please solve the following problems . If necessary, come to me for help during my o¢ ce hours. 1. Find values of the following numerical expressions. Express your answer in the lowest terms. Answers using decimals are not going to be accepted. ° ( ± 27) 1 3 = ° p 8 3 = ° ° 6 p 5 ± 3 = ° ° 3 p 27 ± 2 = ° 7 1 4 ² 7 ° 3 4 = ° ( ± 125) ° 1 3 = ° (8 ² 64) 2 3 = ° ² 2 3 27 ³ 1 3 = 1

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° ° 49 81 ± ° 1 2 = ° 12 1 4 12 3 4 = 2. Perform the following operations and express your answer in the simplest form. Assume that all variables are positive. ° p 50 x 3 = ° 4 p x 3 ² 3 p x 4 = ° p 40 x 4 3 p ° x 3 = ° 3 p ± 54 x 9 y 3 = ° 3 p 9 x ² 3 p 3 x 2 = ° 3 q x 6 250 = 3. Simplify each expression. Assume that all variables represent positive real numbers. Write answers with only positive exponents. ° ² a ° 5 b ° 2 b ° 4 a 3 ³ 1 2 = 2
° 3 n ° 2 ° 3 m ° 2 n ° m = ° 2 5 m ± 2 ° 4 m 2 ° 3 m = ° (2 k ) ° 1 + 4 m ° 1 = ° ° 2 a ° 1 ± 2 b ° 1

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