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. What is the value of expression? 5^−8 • 5^−4. A. 532 B. 54 C. 5−4 D. 5−12
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. What is the value of expression? 5^−8 • 5^−4.

A. 532
B. 54
C. 5−4
D. 5−12

User Ian Davis
by
8.0k points

2 Answers

6 votes
The Value of Expression is: C.5-4
BECAUSE 5(-8+-4)
5(-8+4)
5-4
User Noonex
by
8.5k points
2 votes
You use the formula
a^(b) * a^(c) = a^(b+c)

5^(-4) * 5^(-8) = 5^(-4+(-8)) = 5^(-8-4) = 5^(-12)

The right answer is D. 5−12.
User Sabera
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