5.041 has how many significant figures?

- All the non-zero numbers are counted as significant.

- The zeroes between two non-zero digits are counted as significant.

- The leading zeroes are not significant.

- The zeroes to the right of the decimal are significant.

- The trailing zeros in a whole number with the decimal are considered as significant.

So according to the rules, the following number $5.041$ has 4 significant figures.

The zero between 5 and 4 is also significant.