Question

How to write 3 9/100 as a decimal?

Answer 1

3 9/100 would be written as a decimal like this, 3.09. You say three and nine one hundredths. The 9 has to be in the hundredths place, so you put a 0 in front of it. And since the 3 is hole, you put it in front of the decimal point.

Answer 2

$(3*100)+9$

$\frac{309}{100} =3.09$