Depends if you 're rounding up to the nearest hundred, tens, units or 100ths etc... It is not possible to tell you without knowing what unit you wish to round it up with respect to.
The digit in the ones position is a 2, so we round down, to give 450 as the answer.
2 percent of 452 is 9.04. .02 * 452 = 9.04.
2:452:452:452:45
The digit in the ones position is a 2, so the number is rounded down, giving 450 as the answer.
Radius squared times pi 12X12=144X3.14=452.16 452 sq. ft.
452+400=852
452
452, exactly as in the question.
452/1000
452 cubic inches rounded up.
Seven is 1.55% of 452.
649