If log 5.957 = 0.7750, find log \(3 \sqrt{0.0005957}\)
MATHEMATICS
WAEC 2014
If log 5.957 = 0.7750, find log \(3 \sqrt{0.0005957}\)
- A. 4.1986
- B. 2.9250
- C. 1.5917
- D. 1.2853
Correct Answer: B. 2.9250
Explanation
\(3 \sqrt{0.0005957}\)
\(\begin{array}{c|c} \log No(0.0005957) & \frac{1}{3} \log \frac{1}{3} \\ \hline (0.0005957)^{\frac{1}{3}} & 4.7750 \times \frac{1}{3} \\ & 6 + 2.7750 \\\hline & 3 \\\hline & 2.9250\end{array}\)
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