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Because there are some numbers that have infinitely long decimal representations and if we waited for you to tell us the square root of 2, for example, we would have to wait an infinitely long time and the world is not going to last that long! So I, for one, would prefer a rounded number before I die of old age and/or boredom!
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Why would you need to find the circumference of a circle?
As for example when constructing a round-about on a road you'll need to know its perimeter which is the circumference of a circle.
What song has the lyrics up down round and round?
Who know maybe round and round by Selena gomez I don't know
round 1.833333?
But question: What do you need to round it to?
How do you calculate the outside square footage of a round tank?
First of all, you need to know the radius of the tank. Second, what does outside square footage mean?
How do you round decimals on a number line?
your dumb if you don't know how to round decimals on a number line
