A person on a canoe paddles at a distance of 508 meters in 70 seconds what is the average speed

Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant

Asystem containing an ideal gas at a constant pressure of 1.22×10^5 pa gains 2140 j of heat. during the process, the internal energy of the system increases by 2320 j. what is the change in volume of the gas?

Directions: count the number of atoms. ar co2 na3po4 so3 nac2h3o2