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If edge lengths of a cuboid are measured...

If edge lengths of a cuboid are measured to be `1.2cm, 1.5cm,` and `1.8cm`, then volume of the cuboid is

A

`3.240cm^(3)`

B

`3.24cm^(3)`

C

`3.2cm^(3)`

D

`3.0cm^(3)`

Text Solution

Verified by Experts

(a) Volume of cuboid `=lxxbxxh=1.8xx1.5xx1.2cm^(3)`
`=2.70xx12=3.240cm^(3)`
Using concept of significant figures, product is reported in number of significant figures present in measurement which has least number of significant figures, here all measurement have 2 significant figures.
So, volume `=3.2cm^(2)`
(Keeping 2 significant figures only)
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