JAMB - Mathematics (2024 - No. 5)
Solve 16\(^x\) = 0.25
-\(\frac{1}{2}\)
\(\frac{1}{4}\)
-\(\frac{1}{4}\)
\(\frac{1}{2}\)
Explanation
16\(^x\) = 0.25
16\(^x\) = \(\frac{25}{100} = \frac{1}{4}\)
4(\(^2)^x\) = 4\(^{-1}\)
2x = -1
x = \(\frac{-1}{2}\)
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