Question

Friend estimated 9% of 21.90

Answer 1

To find 9% of 21.9 you will first want to make the percent a decimal and to do so do as followed...

First move the . of 9. over to the left two times make the percent a decimal .09

Now multiply 21.9 by .09

21.9(.09)=1.97100

Now round the number 1.97100

ANSWER: 1.97