5^4x=415

Need answer rounded to 4th decimal
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2 Answers

5^4x=415

625x=415

x=415/625

x=0.6640
by Level 8 User (32.3k points)

I assume you mean 5⁴ˣ=415 rather than (5⁴)x=415. The question is ambiguous.

Taking logs of each side (to any base):

4xlog(5)=log(415), x=¼log(415)/log(5)=0.9364 to 4 decimal places.

by Top Rated User (1.2m points)

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