Question

How many significant figures does each value contain?

Answer 1

Answer:

$3.201$ has 4 significant figures

$0.019$ has 2 significant figures

$0.680$ has 3 significant figures

Step-by-step explanation:

$3.201$ has 4 significant figures

We start counting from the first significant number which is 3.

We need to count the zero as well because it appears after a significant number.

$0.019$ has 2 significant figures

We start counting from the first significant number which is 1.

$0.680$ has 3 significant figures.

The first significant number here is 6.