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It depends on the person to think if estimation is helpful. If you get a math equation like: 24 + 34 + 12 = ? And the question asked you to estimate than you can do: 20 + 30 +10 = 60 and the you know that your answer is close to 60.
Estimation can also be used when you need to guess ~ For example:
How many jelly beans are in this group? You can estimate the correct answer without counting them. Let's say there are 80 jelly beans and you guest 75. That is estimating because you would take the time to think and you would OBVIOUSLY not guess 10.
Sorry if I wrote too much...
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How can estimating be helpful before finding the actual product?
It is helpful because when you are finished estimating (for example: multpliying, diving, adding or subtracting) it's like checking your work that's why it can be helpful to estimate before finding the actual product.
Is the best-fit line helpful in estimating vaules of data points true or false?
Yes. (True)
Article on cost estimating?
An article on cost estimating in the building construction field, admittedly from an out dated source although the principles are still the same, is at http://www.inquirewithin.biz/Vol2/Estimating/estimating_foundations.htm.
Why is estimating Not as helpful when multiplying very small numbers such as 0.007 and 0.053?
Estimating is not as helpful when multiplying very small numbers because the numbers aare very easy to answer
Estimating sums and differences?
xxx=2x
