Question

The density of a quartz crystal is 2.16207 g/cm².

What's the density rounded to the nearest tenth?

Answer 1

2.2

round up

Explanation:

Answer 2

2.2 g/cm2

Explanation:

well the rule for rounding is 5 and up go up and 4 and down stay the same so 2.16207 would round to 2.2