Answer
$1$
Work Step by Step
Given expression : $(mg^{4})^{-1}(mg^{4})$
Now, $a^{-1}=\frac{1}{a}$
Hence, $(mg^{4})^{-1}=\frac{1}{mg^{4}}$
Thus, the expression becomes : $\frac{1}{mg^{4}}$ X $mg^{4}$ = $1$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 7 - Exponents and Exponential Functions - 7-4 More Multiplication Properties of Exponents - Practice and Problem-Solving Exercises - Page 437: 32
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