The greatest number that can be rounded off to 90 is 94. When rounding a number to the nearest 10, you look at the digit in the tens place. If the digit in the ones place is 5 or greater, you round the tens place up by 1. In the case of 94, the digit in the tens place is 9, and the digit in the ones place is 4, which is less than 5. Therefore, when rounding 94 to the nearest 10, it becomes 90.
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It depends on the degree of rounding.
To the nearest 90 (eg for angles measured in degrees to right angles), 134.99....
89.456 should be rounded to 89 (to the nearest whole number) but it should be rounded UP to 90.
Since 90 is a whole number, rounding 85 to 90 does result in a whole number.
6.9 rounded to the nearest number would be 7. So $6 and 90 cents rounded would be $7.
The greatest common FACTOR of 90 and 108 is 18. The LEAST common multiple is 540. There can be no greatest common multiple since double that number will be a greater common multiple.
the median is 86. What you do is put the numbers in order from least to greatest and cross one off from each side till you get to the middle number. 80 85 86 90 94