In computer terms of 1's and 0's (computer hardware class, someone feel free to elaborate of my theory of what I learned) one meaning either off or on. The numbers 1-9 are the power of 10. From 0-9...
10 X 10 = 100 You can do this four ways: You can do it mentally in your head or you can add them all up on paper by lining up the numbers correctly with each other. You can use a calculator and that...