Question

How many significant figures does each value contain?

3.201 milligrams has how many significant figures.
0.019 miles has how many significant figures.
0.680 seconds has how many significant figures.

Answer 1

4,2,3

Explanation:

Answer 2

`3.201` has 4 significant figures

`0.019` has 2 significant figures

`0.680` has 3 significant figures

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.