Question

sig fig rules (significant figures) # of sig figs rule #1 states, \count all non - zeros\. how many significant figures are in the number below? 4,237 3 4 1 2

Explanation:

Step1: Apply non - zero count rule

The number is 4,237. According to the rule "Count ALL non - zeros", we count each non - zero digit.
The digits 4, 2, 3, and 7 are non - zero.

Answer:

4