How many significant figures are there in the number 0.00253?

How many significant figures are there in the number 0.00253?

Explanation

To determine the number of significant figures in 0.00253, follow these rules:

  • Leading zeros are not significant.
  • All non-zero digits are significant.

Breakdown:

0.00253 → The leading zeros (0.00) are not significant.

The digits 2, 5, and 3 are significant.

There are 3 significant figures in 0.00253.