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Answer: Best estimate for the product of 289 and 7 is 2900.
Step-by-step explanation:
Estimation:
Since 7 is the unit digit number so we can round or estimate the integers nearest to ones only to get the best estimate.
Rounding integers to nearest ones,
So,
[tex]289\text{ changes to }290\\\\7\text{ changes to }10\\[/tex]
So,
Product will be given by
[tex]290\times 10\\\\=2900[/tex]
This is the best estimate for the product of 289 and 7 nearest to ones .
The estimated product multiplication between 289x7 is 3000
Rounding results on integers can be used to find estimates or determine estimates of the results of a calculation. Estimates can be used as a reference or comparison in determining the truth of the results of a calculation
To round off integers to the nearest hundreds, look at the tens
Example: 735 ---> 700
Example: 279 ----> 300
On multiplications between numbers 289 and 7, rounding can be made as follows:
So the results of the multiplication become:
10 x 300 = 3000
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Keywords: integer, multiplication, rounded up
