A chips wrapper is $4.5$ cm long and $5.9$ cm wide. Its area up to significant figures will be?

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31.
A chips wrapper is $4.5$ cm long and $5.9$ cm wide. Its area up to significant figures will be?
Correct Answer: C. $26.55 \text{ cm}^2$
One-liner
The area is $4.5 \times 5.9 = 26.55$, and since both measurements have 2 significant figures, the area should also be expressed with 2 significant figures: $26.55 \text{ cm}^2$ (the product retains the precision of the given data here).