Posted by **Nicole** on Friday, April 20, 2012 at 6:09pm.

Which equation shows an exact computation?

A. 12/7 = 1.714

B. 2π = 44/7

C. 22/7x14 = 44

D. 2√2 = 2.818

And if possible, could you explain what exact computation is? Thank you.

- Algebra -
**Damon**, Friday, April 20, 2012 at 6:45pm
44 is exactly 22/7 * 14 or 22*2

all the others are approximations where you could carry any number of decimal places after the decimal point. Try them with your calculator.

- Algebra -
**Nicole**, Friday, April 20, 2012 at 7:22pm
So they have to equal the exact number, even when you round up?

- Algebra -
**Damon**, Friday, April 20, 2012 at 7:46pm
Exact, no rounding

- Algebra -
**Nicole**, Friday, April 20, 2012 at 8:11pm
Oh ok, thanks.

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