Question

How many significant figures there are in $3256$ ?

Answer 1

Rules of significant figures

1. Non-zero digits are significant.
2. A zero in between significant digits are significant.
3. In decimal numbers, the zeroes at the end are significant.
4. In a non-decimal number zeroes at the end are not significant.

Explanation

In the given number $3256$, all the four digits are non-zero, so they are all significant.

Therefore, $3256$ has four significant figures.