2. Match the numbers in this mathematical expression with the number of significant digits they have. 18.34 cm + 9.02603 cm - 20.2 cm + 150 cm
a
1. 18.34 cm
a. 4
b. 2
2. 9.02603 cm
c. 3
3. 150 cm
d. 6
4. 20.2 cm

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)

Asolid that forms and separates from a liquid mixture is called