Mathematics
JAMB 1987
Evaluate without using tables (0.008) -\(\frac{1}{3}\) x (0.16) - \(\frac{3}{2}\)
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A.
\(\frac{625}{8}\)
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B.
\(\frac{8}{625}\)
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C.
\(\frac{1}{8}\)
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D.
8
Correct Answer: Option A
Explanation
(0.008) -\(\frac{1}{3}\) x (0.16) - \(\frac{3}{2}\) = (8 x 10-3)10-3 x (16 x 10-2)-\(\frac{3}{2}\)
= \(\frac{(2^3)}{10^3}\) - 3 x \(\frac{(2^4)}{10}\) - \(\frac{-3}{2}\)
= \(\frac{625}{8}\)
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