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JAMB Mathematics 2019 Paper

Question : 41

Total: 73

Simplify

\frac{0.0839 \times 6.381}{5.44}

to 2 significant figures.

Solution:

Concept:

Perform the multiplication and division, then round to 2 significant figures.

Explanation:

First, multiply the numerator:

0.0839 \times 6.381 = 0.5353659

Then divide by

5.44

\frac{0.5353659}{5.44} = 0.0984128\ldots

Rounded to 2 significant figures, the result is

0.098

Answer:

0.098

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