Respuesta :

hello : 
a. 43%  : 43/100
b. 2.5% : 2.5/100 = 25/1000
 c. 13.6% : 13.6/100 =136/1000
d. 521% : =521/100 
a. (0.43) b. (0.025) c. (0.0136) d. (5.21) that's all I know. have a good day :)