Question 1087229: Write the numbers which, when rounded off to the nearest ten, give 980.
Found 2 solutions by MathLover1, MathTherapy:
Answer by MathLover1(20849)   (Show Source):
You can put this solution on YOUR website!
we can round up or down:
first,round up
 rounded to the nearest ten is: 
When rounding to the nearest ten, like we did with above, we use the following rules:
A) We round the number  to the nearest ten if the last digit in the number is  ,  ,  ,  , or  .
so, next numbers we can round up to are:  , , , and 
B) We round the number  to the nearest ten if the last digit in the number is  ,  ,  , or  .
so,  ,  , , and  will be rounded to
C) If the last digit is  , then we do not have to do any rounding, because it is already to the ten.
Answer by MathTherapy(10549)  (Show Source):
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