Question

how many significant figures are in this number? 0.0002

Explanation:

Step1: Recall significant figure rules

Leading zeros (zeros before the first non - zero digit) are not significant. Non - zero digits are significant.
In the number \(0.0002\), the leading zeros (the three zeros before the 2) are not significant. The digit 2 is a non - zero digit and is significant.

Step2: Count the significant figures

After applying the rules, we can see that there is 1 significant figure in the number \(0.0002\).

Answer:

1