A piece of rectangular grassland is 10.4m long and 5.6m width. All
measurements are correct to nearest 0.1m.
(a) Find the upper limit of the area (Unit : m^2)
(b) Find the lower limit of the area (Unit : m^2)
Maths!!!
2009-02-09 2:25 am
回答 (1)
2009-02-09 3:10 am
✔ 最佳答案
(a)Upper limit of the area
= 10.45 x 5.65 m2
= 59.0425 m2
= 59.0 m2 (to 3 significant figures)
(b)
Lower limit of the area
= 10.35 x 5.55 m2
= 57.4425 m2
= 57.4 m2 (to 3 significant figures)
=
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