Mth 112 Exam 1 Practice Questions Chapters 1 And 6 With Answer Key - 2013 Page 10

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42) 11 0 + 4 0
42)
A) 15
B) 2
C) 1
D) 0
Simplify the expression. Use positive exponents. Assume variables represent nonnegative numbers.
4
4a
43)
43)
3
4a 4
A)
81
256a 4
B)
3
256a 4
C)
81
256a
D)
81
10

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