Question

How many cubic metres is equal to 2000 cubic centimetres?

• A. 0.2
• B. 0.02
• C. 0.002
• D. 0.0002

Answer 1

The correct option is C 0.002

1 metre = 100 centimetres

$\Rightarrow \text{1 cubic metre}=100\times 100\times 100\text{cubic centimetres}\Rightarrow \text{1 cubic centimetre}=\frac{1}{100\times 100\times 100}\text{cubic metres}\Rightarrow \text{2000 cubic centimetres}=\frac{2000}{(100\times 100\times 100}\text{cubic metres}$

Cancelling the three zeroes from the numerator and from the denominator, we have

$\text{2000 cubic centimetres}=\frac{2}{1000}=0.002\text{cubic metres}$