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Q: What is the best estimate for the answer to 321.786 plus 240.273?

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147

should equal 19.783

83.74 + 2.93 ≅ 83.75 + 3 = 86.75

I think 8... But I'm not sure.

Nine twentieths, or just under one half.

The answer is 119.5. Simply add the numbers together like you would for two plus two. To check your work, a calculator is the best option.

The answer is 919. Simply add the numbers together arithmetically as you would for the problem two plus two. To check your work, a calculator is the best option.

100 That is an estimate.

6 and 1/3

The best estimate is, of course, the correct value, which is so easy to calculate that I am astounded that anyone would want to estimate it. 128 + 375 = 125 + 3 + 375 = 125 + 375 + 3 = 500 + 3 = 503 The second best is 500.

600 + 250 = 850

How do you make a ballpark estimate of 7201 plus 6988?

1,040 as 29 + 11 = 40 then add 1,000

estimate is to round up

There is no "best" estimate other than the exact answer since any other estimate can be improved with some effort.3.2*5 = 163.5*4 = 14 so I would go for 15.

919

1330 plus 900

The estimate is 1.

3.3714

5.5

70

1720

10.4

332

If 8.81 + 2.78 = 8.8 plus Xthen, since 8.81 is nearly equal to 8.8 a good estimate for X is 2.78.