Arectangular prism has a length of 6 cm, a width of 3 cm, and a height of 412 cm. the prism is filled with cubes that have edge lengths of 12 cm. how many cubes are needed to fill the rectangular prism? enter your answer in the box. to fill the rectangular prism,( )cubes are needed.

Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?