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  5. \(\frac{0.0001432}{1...

\(\frac{0.0001432}{1940000}\) = k x 10n where 1 \(\leq\) k < 10 and n is a...

Mathematics
JAMB 1984
\(\frac{0.0001432}{1940000}\) = k x 10n where 1 \(\leq\) k < 10 and n is a whole number. The values K and n are
  • A. 7.381 qnd -11
  • B. 2.34 and 10
  • C. 3.871 and 2
  • D. 7.831 and -11
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Correct Answer: Option A
Explanation
\(\frac{0.0001432}{1940000}\) = k x 10n

where 1 \(\leq\) k \(\leq\) 10 and n is a whole number. Using four figure tables, the eqn. gives 7.38 x 10-11

k = 7.381, n = -11
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