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A sheet is 3.6 m by 2.135 m. Its area to correct significant figures is?
A7.686 m²
B8 m²
C7.7 m²
D7.69 m²
Answer & Solution
Correct answer: C. 7.7 m²
The product 7.686 m² must keep only two figures because 3.6 has two, giving 7.7 m².
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