Question

how many sig figs are there? 0.0000008
7
2
1
6

Explanation:

Step1: Recall sig fig rules for decimals

Leading zeros (before non - zero digit) are not significant.

Step2: Identify non - zero digit

In 0.0000008, the non - zero digit is 8. Only this digit is significant.

Answer:

1 (corresponding to the option with value 1, e.g., if the orange option is labeled with 1, then the answer is the orange option with text "1")