Annie rounds 280.05 to the nearest hundred. bobby rounds 280.05 to the nearest ten. ciro rounds 280.05 to the nearest integer. denise rounds 280.05 to the nearest tenth. what is the sum of annie's answer, bobby's answer, ciro's answer, and denise's answer? i will give you 15 points if you answer this problem !

Annie rounds 280.05 to the nearest hundred = 300
Bobby rounds 280.05 to the nearest ten = 280
Ciro rounds 280.05 to the nearest integer = 280
Denise rounds 280.05 to the nearest tenth = 280.1

the sum of Annie's answer, Bobby's answer, Ciro's answer, and Denise's answer = 300 + 280 + 280  + 280.1 = 1140.1

hope it helps

(6,0) i hope it makes enough sense