Jambmaths question:
Evaluate 21.05347 – 1.6324 × 0.43 to 3 decimal places
Option A:
20.980
Option B:
20.351
Option C:
20.981
Option D:
20.352
Jamb Maths Solution:
$\begin{align} & \text{Use the rules of BODMAS} \\ & 21.05347-1.6324\times 0.43=21.05347-0.701932 \\ & \text{ }=20.351538 \\ & \text{ }\approx 20.352\text{ (3}\text{.decimal places)} \\\end{align}$
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