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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. \(\overline{4}\).1986
  • B. \(\overline{2}\).9250
  • C. \(\overline{1}\).5917
  • D. \(\overline{1}\).075
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Correct Answer: Option D
Explanation

Log(0.0005957)\(^{\frac{1}{3}}\)

= Log(\(\frac{5.957}{10000})^{\frac{1}{3}}\)

= \(\frac{1}{3}\)Log(5.957) - \(\frac{1}{3}\)Log10\(^4\)

= \(\frac{0.7750}{3}\) - \(\frac{4}{3}\) =\(\frac{\overline3.225}{3}\) = \(\overline{1}\).075


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Post UTME Past Questions Agent
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Post UTME Past Questions Agent
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now