Suppose you are asked to find the area of a rectangle that is 2.1cm wide by 5.6cm long. your calculator answer would be 11.76cm^2. now suppose you are asked to enter the answer to two significant figures.

Which force is most responsible for binding together an atom's protons and neutrons? electrostatic gravitational nuclear magnetic

How are series and parallel circuits simililar? both have multiple paths for electrons to travel. both require resistors in their circuits. both require a switch to complete the circuit. both have at least one path for electrons to travel.

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?