An estimated difference is when you can't be bothered to calculate the exact number, so you simplify things a bit. An estimate for 800-something - 400-something would be 400.
it can help you determine whether toy made an error in calculating an exact sum or difference.
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Estimated is like taking a guess as to what the answer would be. Example: 597 + 635 estimated 600 + 600 = estimated guess 1200 with the correct answer being 597 + 635 = 1232 For estimated 345 it could be estimated at 300 or 400
the estimated digit in 0.0782m is?
500
39.3264
8 and 4 have a difference of 4.
22333332
16
An estimated difference is when you can't be bothered to calculate the exact number, so you simplify things a bit. An estimate for 800-something - 400-something would be 400.
1306
1306
100-99=1
it can help you determine whether toy made an error in calculating an exact sum or difference.
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Please provide more context or details so I can give you an accurate answer.