What is the phosphate concentration of 0.00088M

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?

A50.0 ml sample of gas at 20.0 atm of pressure is compressed to 40.0 atm of pressure at constant temperature. what is the new volume? 0.0100 ml 0.325 ml 25.0 ml 100. ml

Is a pencil falling to the floor anon contact force, a force, or a contact force