What is 9,150,000,000,000,000,000 expressed in scientific notation?

Ablock of wood is a cube whose side is x in. long. you cut off a 1-inch thick piece from the entire right side. then you cut off a 3-inch thick piece from the entire top of the remaining shape. the volume of the remaining block is 2,002 in3. what are the dimensions of the original block of wood?

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?