The volume of the ethanol inside the tube can be obtained by dividing the mass of ethanol by the density. The volume is equal to 15.03 ml or 15.03 cm3. The volume of the tube is equal to pi d^2/4 * h where h is 15 cm. From this formula, the diameter is equal to 1.13 cm.
2+2 = 4
"+" is the mathematical symbol used for addition.
"2" is the mathematical symbol for number "two".
There are 12 months in a year
4.05 inches per month * 12 months per year = 48.6 inches last year
