Question

What is $2648$ to two significant figures?

Answer 1

Rules of regulating significant figures are following.

• Any number that is not a zero is significant.
• Any zero between two non-zero integers is significant.
• Any zero before a decimal point is not significant.
• Any trailing zeroes after the decimal point are significant.

Based on the rules of regulating significant figures,

We can write the given number $2648$ to $2$ significant figures as $2600$.

Hence, $2600$ is in $2$ significant figures.