Give the number of significant figures in 0.00045023

Answer 1

The number of significant figures in the number 0.00045023 is five.

Here’s the breakdown:

• The leading zeros (0.000) are not significant.
• The digits 4, 5, 0, 2, and 3 are all significant.

Therefore, 0.00045023 has five significant figures: 4, 5, 0, 2, and 3.