440
It is 440 when rounded to the nearest ten. As the 4 in the units place is less than 5, it is rounded down. Note: If the 4 units had been 5 or more, it would be rounded up. So 445 would have become 450
10.5714
444.4444
88.8 = 888/10 = 444/5
440
440
400
510.9 mph (rounded)
400
444 rounded to the nearest ten is 440
0
It is 440 when rounded to the nearest ten. As the 4 in the units place is less than 5, it is rounded down. Note: If the 4 units had been 5 or more, it would be rounded up. So 445 would have become 450
10.5714
111/250
74
It is approx 9.2308*10^1120