A teacher randomly chooses a two-person leadership team from a group of four qualified students. Three of the
students, Sandra, Marta, and Jane, are girls. The fourth student, Franklin, is a boy.

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?

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with