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March 28, 2017

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Calculate the area, with the appropriate number of significant figures, of a recotangular room that is 14.10 m wide by 15.0 m long.
A.212 m^2
B.211.5 m^2
C.29.1 m
D.29.10 m
Is the answer B?

  • Science - ,

    area = L x W = 15.0 x 14.1 = 211.5 m^2 but the answer is not B.
    You can have three significant figures (because of the 15.0). I would round that 211.5 to 212 m^2.

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