847 to the nearest hundred is 800. Since 47 is less than half of 100, you round down.
847
850
15.46 to the nearest ones is 15
26.4 to the nearest ones = 26
850
850
847 to the nearest hundred is 800. Since 47 is less than half of 100, you round down.
800
847
850
800
850
800
5.893 to the nearest ones = 6
26.4 to the nearest ones = 26
15.46 to the nearest ones is 15