Evaluate: (0.064) - \(\frac{1}{3}\)
MATHEMATICS
WAEC 2019
Evaluate: (0.064) - \(\frac{1}{3}\)
- A. \(\frac{5}{2}\)
- B. \(\frac{2}{5}\)
- C. -\(\frac{2}{5}\)
- D. -\(\frac{5}{2}\)
Correct Answer: A. \(\frac{5}{2}\)
Explanation
(0.064)\(^{- \frac{1}{3}}\)
= (\(\frac{64}{1000}\))\(^{-\frac{1}{3}}\)
= 3\(\sqrt{\frac{1000}{64}}\)
= \(\frac{10}{4}\)
= \(\frac{5}{2}\)
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