Which is a better estimate for the length of a raisin?

A. 1 meter b. 1 centimeter

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.