SOLUTION: a computer has a hard drive that stores approximately 1x10^9 bytes. a high density 3 1/2 -inch floppy disk holds approximately 1.4x10^6 bytes. how many floppies are needed to back

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: a computer has a hard drive that stores approximately 1x10^9 bytes. a high density 3 1/2 -inch floppy disk holds approximately 1.4x10^6 bytes. how many floppies are needed to back       Log On


   



Question 1084221: a computer has a hard drive that stores approximately 1x10^9 bytes. a high density 3 1/2 -inch floppy disk holds approximately 1.4x10^6 bytes. how many floppies are needed to back up the hard drive? answer in units of floppies.
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
1 x 10^9=10 x 10^8, multiplying the first part by 10 and dividing the second part by 10.
divide that by 1.4 x 10^6, dividing 10 by 1.4 and 10^8 by 10^2.
That is 7.14 x 10 ^2 or 714 disks.