what is 8x13? I just can`t work it out!
8 x 13 =
8 x 3 = 24
8 x 10 = 80
80 + 24 = 104
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.