Answer
-14$y^{4}$
Work Step by Step
1. Multiply the numerals: 7 x -2 = =14
2. Add the exponents of the variables with the same base: 1 + 3 = 4, so y x $y^{3}$ = $y^{4}$
3. Combine the numerals and the variables: -14$y^{4}$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 5 - Section 5.5 - The Greatest Common Factor and Factoring by Grouping - Exercise Set - Page 295: 72
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