To round off 128,674 to leave one nonzero digit, you would round it to 100,000.
10000 is already rounded off.
That would be an acceptable. However, you could round to the nearest metre which would be 2 metres.
$11993.80
If you round off 3,278,429 to the nearest ten thousand, you would look at the number in the one thousand place - in this case, an 8. If the number is 5 or less, you would round down. If the number is 6 or higher, you would round up. Since 8 is higher that 6, you would round up, yielding 3,279,000.
When you round off the number 0.472 to the hundredths place you get 0.47. If you round it off to the tenths place, it would be 0.5.
It would round up to 1.
Round off to the nearest cent means round off to the nearest hundredths or round off to two decimal places. SO when you round 117.057 you want to look at .057. Since 7 is the greater than 5, we would round the 5 to a 6. Which would make the number 117.06
You would round it down... to 7000.
To round off 128,674 to leave one nonzero digit, you would round it to 100,000.
10000 is already rounded off.
That would be an acceptable. However, you could round to the nearest metre which would be 2 metres.
$11993.80
You would round it down to read 842.1
If you round off 3,278,429 to the nearest ten thousand, you would look at the number in the one thousand place - in this case, an 8. If the number is 5 or less, you would round down. If the number is 6 or higher, you would round up. Since 8 is higher that 6, you would round up, yielding 3,279,000.
Because decimal fractions often comprise infinitely long sequences. If you did not round them off, you would never get past the first such number.
Depends. When you round off something, it has to be to a value. 250 rounded off to its nearest tens place would be 250, rounded to its nearest hundreds place would be 300.