Respuesta :
3.872 would round to 4 b/c you round the tenths place and it is 5+ so you would round up
2.409 would round to 2 b/c you roynd the tenths place and it is 4- so you would round down
2.409 would round to 2 b/c you roynd the tenths place and it is 4- so you would round down