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Name Class Date Standardized Test Prep 6-4 Rational Exponents Multiple Choice For Exercises 1−5, choose the correct letter. 1 1 1 1. What is 123 ? 453 ? 503 in simplest form? B !27,000 1 1 30 1073 27,000 3 " (xy)2 3 2 " xy 2 2. What is x3 ? y3 in simplest form? I x3"y3 1 "xy3 1 1 3. What is x3 ? x2 ? x4 in simplest form? A 13 1 x 12 1 x 24 4. What is £ 1 3≥ 2 1 5 x9 x 24 1 x 5 xy 2 y2 6 x3y3 in simplest form? I x2y4 5 5 x 7y 2 xy 2 5 1 5. What is (232x10 y35)25 in simplest form? C 2 2 2 7 x y 2x2y7 2 1 2x2 y7 2 x2 y7 Short Response 6. The surface area S, in square units, of a sphere with volume V, in cubic units, 1 2 is given by the formula S 5 p 3(6V )3 . What is the surface area of a sphere with volume 43 mi3? Show your work. 2 [2] S 5 1 2 π 3 (6V) 3 5 1 π3 3 c 6 Q 43 R d 1 2 1 2 5 π 3 (8) 3 5 4π 3 mi [1] appropriate method but some computational errors [0] incorrect answer and no work shown OR no answer given Prentice Hall Algebra 2 • Teaching Resources Copyright © by Pearson Education, Inc., or its affiliates. All Rights Reserved. 37