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