Respuesta :

Answer:

0.21

Step-by-step explanation:

if you write it as a fraction it would be 21/100

and if that is made to a decimal it would be 0.21 .

.21 is the way you right is at a decimal remember all percentages to convert them into a decimal you place a decimal at the end of the percentage then move it to the left two places so 21. Would be .21