Why is it important to use significant figures in chemistry?

Where are each of the three particles located within the atom?

What three natural resources are found in the great lakes region

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?