None of them are round at the ends.
O-HI-O
Ohio
Halo
Halo
ohio
Its high in the middle and round on both ends.
High in the middle and round on both ends. Question requires more detail.
The state Ohio
O-HI-O (Ohio)
The state Ohio
It means you should take your answer and round it up or down to the nearest multiple of ten. and number that ends in 1,2,3,4 you round down and any number ending in 5,6,7,8,9 you round up. for instance . . . 13 ends in a 3 and would round down to 10. 18 ends in an 8 and would round up to 20. 775 ends in a 5 and would round up to 780. 1282 ends in a 2 and would round down to 1280. Hope that helps.