Question

The length of a tube is $5643mm$. What would be its length when expressed in S.I. units?

• A. $5m$
• B. $56cm$
• C. $5.3m$
• D. $5.643m$

Answer 1

The correct option is D $5.643m$

In S.I. units, length is measured in metres.
$1000mm=1m$
$5643mm=\frac{5643}{1000}m=5.643m$