Rounded numbers are easier to work with in your head. They are only approximate.
An exact answer can not be obtained with these numbers. Sometimes an exact answer
is not required.
To round numbers to the nearest hundred thousand, make the numbers whose last
five digits are 00001 through 49999 into the next lower number that ends in 00000.
For example 6,424,985
rounded to the nearest hundred thousand would be 6,400,000. Numbers that have the
last five digits of 50000 or more should be rounded up to the next even hundred
thousand. The number 8,988,987 rounded to the nearest hundred thousand would be
9,000,000.
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