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 What is the value of expression? 


5−8 • 5−4

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5 − 8 • 5 − 4 = 5 − 40 − 4 = −35 − 4 = − 39

5^{-8} • 5^{-4} = 5^{-8+(-4)} = 5^{-12}
User Andreas Gelever
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