If you round 786,075 to the nearest ten what will it

Algebra
Tutor: None Selected Time limit: 1 Day

I can't figure it out  because there 6 digits in the number 

Sep 1st, 2015

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Answer: 786,080

The ten refers to the digit place, not the amount of digits.  To round to the nearest ten, you will need to round up or down based on that position.  Here are the positions:

hundred-thousands, ten-thousands, thousands, hundreds, tens, ones

     7                                   8                    6          ,       0       ,    7  ,    5


The number '7' in the tens digit place will round up or down based on the value in the ones digit place.  If the ones digit place is 5 or above, the tens digit rounds up.  If the ones digit place is 4 or below, the tens digit remains the same, and rounds down.  In the particular example, the ones digit is 5, so the tens digit will round up from '7' to '8'. Hence why the answer is 786,080.


Please let me know if you need any clarification. I'm always happy to answer your questions.
Sep 1st, 2015

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