WAEC 2023 · Paper 1 · Q1

Approximation & error

Evaluate, correct to three decimal places, $\dfrac{4.314 \times 0.000056}{0.0067}$ .

Worked solution (try it first)

Top: $4.314 \times 0.000056 = 0.000241584$ .
Divide: $0.000241584 \div 0.0067 = 0.036057\ldots$
To 3 decimal places, the fourth decimal is 0, so round down: 0.036, option B.

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