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Mathematics 5 Online
OpenStudy (anonymous):

Assume that all numbers are approximate. (A) estimate the result and (b) perform the indicated operations on a calculator and compare with the estimate. 3.64(17.06)

OpenStudy (anonymous):

@hero can youh elp me noone else seems to want to.

hero (hero):

Estimation is a process that involves doing a calculation in your head. You sort of round the numbers as close as possible to something that you can do in your head.

hero (hero):

It is easy to simply compute something like 4 x 20

hero (hero):

that would be a rough estimation.

hero (hero):

It's a rough estimation because it is off by nearly 20 units.

hero (hero):

But it does make sense because 4 > 3.64 and 20 > 17.06

hero (hero):

We would expect the exact calculation of 3.64 x 17.06 to be less than that.

hero (hero):

To be less than that of 4 x 20

hero (hero):

We would expect the exact calculation of 3.64 x 17.06 to be less than that.

hero (hero):

But it does make sense because 4 > 3.64 and 20 > 17.06

hero (hero):

It's a rough estimation because it is off by nearly 20 units.

hero (hero):

that would be a rough estimation.

hero (hero):

It is easy to simply compute something like 4 x 20

hero (hero):

Estimation is a process that involves doing a calculation in your head. You sort of round the numbers as close as possible to something that you can do in your head.

OpenStudy (anonymous):

so for the estimate i get 80 and for the calculated i get 62.0984 is this correct?

hero (hero):

Yes, that would be correct.

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