No, it is not. Estimating may be rounding but need not be.
Rounding is estimating.
They are not.
Estimating is neither better nor worse than rounding. The two are used for different purposes.
Yes, rounding is one way to estimate.
By rounding the factors, then quickly multiplying them in your head.
It is - if you use appropriate rounding. Rounding does not have to be to whole numbers.
Estimating is a guess that should be close to the answer. Round is rounding a number up to the nearest ten, hundred. Example $345.89 round to the nearest dollar is $345.
if you had an adding sum we would use it and if you were estimating
Rounding factors can lead to underestimates or overestimates: the outcome depends on the rounding.
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