A few days ago
Math Question?
If 3^x = 54, then 3^(x-2) =
a. 3.8
b. 4.5
c. 6.0
d. 7.3
e. 9.0
Top 3 Answers
A few days ago
Favorite Answer
3^(x-2) = 3^x * 3^(-2)
and 3^(-2) = 1/9
So 3^(x-2) = 54 / 9
Which equals 6.0 (c) last time I checked
0
A few days ago
c. makes the most sense
0
A few days ago
c.
Solving for x gives you x=3.6309
3^1.6309=6
1
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