The mass of denise rock sample is 684 grams the mass of paul lines rock sample is 29510 centigrams how much greater is the mass of denise sample than paul line sample?

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?

Will give a: 122 b: 90 c: 48 d: 180