If this cube of edge 20 cm long is cut into smaller cubes of edge 10 cm, how many of these smaller cubes do i get?

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

Math each whole number with a rational, exponential expression

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b