Question

All non-zero numbers are significant (meaning they count as sig figs). How many significant figures in 613?

a) 2
b) 3
c) 4

Answer 1

The number 613 has 3 significant figures.

Step-by-step explanation:

All non-zero numbers are significant. In the number 613, all three digits are non-zero, so all three digits are significant. Therefore, the answer is 3.