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Question

The sides of a rectangle are 7.01 m and 12 m. Taking the significant figures into account, the area of the rectangle is

A
84.1 m2
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B
84.00 m2
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C
84.12 m2
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D
84 m2
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Solution

The correct option is D 84 m2
Given,
side of rectangle are 7.01 m and 12 m.
Area of rectangle =Length×Breadth
=7.01×12=84.12 m2
Rounded of two significant figures.
Area of rectangle =84 m2.

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