Physical Science
posted by Nicholas .
How can computers predict the outcome of an election soon after the polls close but before all the votes have been counted?

Thank you for using the Jiskha Homework Help Forum. They count certain states that seem to sway the election.
Sra 
The computer takes a small statistical sample and projects the total vote from there.

1. What is your mass in kilograms? In grams?
2. If ice has a density of 0.92g/cm^3 has a mass of 39.5g of ice?
3. What is the mass of gasoline (p+0.680g/cm^3) in a 94.6L gasoline tank? 
Bob