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OpenStudy (anonymous):
What is the value of expression? 5^−8 • 5^−4 A. 5^32 B. 5^4 C. 5^−4 D. 5^−12
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OpenStudy (anonymous):
just add powers.. so -8 and -4 is equal to -12
OpenStudy (anonymous):
powers on the same number is added
OpenStudy (anonymous):
they are on same number .. i.e. 5
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