If 104 x 68 find the value of x - WAEC Mathematics 2000 Question
If \(104_x = 68\), find the value of x
A
5
B
7
C
8
D
9
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Correct Option: C
\(104_x = 68\
1 \times x^2 + 0 \times x + 4 \times x^0 = 68\
x^2 = 68 - 4; x^2 = 64\
x = \sqrt{64}=8\)
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