Tomorrow is giving and I want to give you all free point's :)

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

William invested $5000 in an account that earns 3.8% interest, compounded annually. the formula for compound interest is a(t) = p(1 + i)t. how much did william have in the account after 6 years? (apex)

Shannon drove for 540 minutes. if she traveled 65 miles per hour,how many total miles did she travel?