Question

Which exponential equation is equivalent to the logarithmic equation below? log 478= a

a. 10^a=478
b. 478^10=a
c. 478^a=10
d. a^10=478

Answer 1

A. 10^a =478

Explanation:

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Answer 2

`\hbox{if } \log_x y=z \hbox{ then } x^z=y \\ \\ \log 478=a \\ \downarrow \\ \log_(10) 478=a \\ \Downarrow \\ \boxed{10^a=478}`

The answer is A.