J N wrote:from veritas prep
if m and n are integers what is m+n?
36/(3^4) = 1/(3^m) + 1/(3^n)
-2
0
2
3
5
Plug in m = 1 and solve for n:
36/3� = 1/3¹ + 1/(3^n)
36/81 = 1/3 + 1/(3^n)
4/9 = 1/3 + 1/(3^n)
1/9 = 1/(3^n).
Since 1/9 = 1/3², n = 2.
Thus, m+n = 1+2 = 3.
The correct answer is
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