I NEED HELPP!! A person weighs 700 N on the Earth. What is the person's weight in pounds? (1kg = 2.2lbs) What would the person weigh on the moon where the acceleration due to gravity is 1.55 m/s??

Could someone . i have tried to solve myself but my calculation is off

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine

30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve