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Estimating can be helpful before getting an actual answer because it allows you to make quick calculations and get a rough idea of what the final answer might be. It helps in determining if the answer is reasonable or if there might be a mistake in the calculations. Estimating can also save time and effort by giving a sense of whether further calculations are necessary or if the rough estimate is sufficient.

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4mo ago
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8y ago

It is not always the case. I would not bother to estimate 3+5 before getting the actual answer because (for me) the effort involved is the same.

Having said that, with complicated calculations, having an estimate can help decide whether it is likely that your calculation is correct.

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Q: How can estimating be helpful before gettin an actual answer?
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