When the digit immediately to the right of your target (the place you're rounding to) is 5 or greater.
750 should be rounded up to 800. When rounding anything equal to or greater than 5 gets rounded up, while everything else gets rounded down. In this case the tens place value "5" is equal to or greater than 5, so the number rounds up.
89 if rounded to the nearest whole number
91.5 rounded to the nearest whole number is: 92. This is because the decimal value ".5" gets rounded up. Anything equal to or greater then 5 when rounding gets rounded up.
When the value 4,449 is rounded to two significant figures the number should be reported as 4,400
4 As the number after the decimal point is greater than 5 the number is rounded up
89.456 should be rounded to 89 (to the nearest whole number) but it should be rounded UP to 90.
12.6500...001 where you keep adding 0s. 12.65 should be rounded DOWN to 12.6, not up to 12.7.
750 should be rounded up to 800. When rounding anything equal to or greater than 5 gets rounded up, while everything else gets rounded down. In this case the tens place value "5" is equal to or greater than 5, so the number rounds up.
0.45 should be rounded down to 0.
3.5 can be rounded up to 4 or down to 3, most often it will be rounded up.
12 if rounded to the nearest whole number
89 if rounded to the nearest whole number
65 is rounded to the nearest whole number.
For cowboys, "rounded up" means "corralled." For mathematicians, "rounded up" means "estimated to a higher number that is shorter or easier to work with."
91.5 rounded to the nearest whole number is: 92. This is because the decimal value ".5" gets rounded up. Anything equal to or greater then 5 when rounding gets rounded up.
rounded to a whole number it is 1257....rounded just means that if the last number is less then 5 it is rounded down if it is 5 or greater it is rounded up ie 1257.6 it would be 1258
When the value 4,449 is rounded to two significant figures the number should be reported as 4,400