A company is making building blocks. What is the length of each side of the block? V= 1 ft​

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?

A50% increase followed by 33 1/2% decrease

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?