The mass of a carbon atom is 1.994 × 10-23 grams. the mass of a hydrogen atom is 1.67 × 10-24 grams. what is the difference of their masses?

Find the roots of the equation below. x^2 - 6 + 9 = 0

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

On average a herd of elephants travels 10 miles in 12 hours you can use that information to answer different questions drag each expression to show which is answers