Estimate the following products using general rule:5281 * 3491|
In this why do we round off 3491 to 1000 we should round off it to 100??
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Answer:
You have to round off 3491 to 1000, because whenever the same digits are given to you not mentioning to which number you have to estimate them, you always have to estimate the numbers according to the number of digits they have. Otherwise, your answer will be incorrect.
So,
5281 rounded off to thousand => 5000
3491 rounded off to thousand => 3000
Product of the estimated numbers => 5000×3000
=> 15000000
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