Question

What is 9% as a decimal

Answer 1

0.09 Move the decimal point over two digits to account for the x100

Answer 2

It can be helpful to realize the the "%" symbol is a shorthand way to write "/100". That is 9% means exactly 9/100. Of course, you know that hundredths are written in the second decimal place, so

... 9% = 9/100 = 0.09