Asked by Nicole
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.
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.
Answers
Answered by
Damon
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.
all the others are approximations where you could carry any number of decimal places after the decimal point. Try them with your calculator.
Answered by
Nicole
So they have to equal the exact number, even when you round up?
Answered by
Damon
Exact, no rounding
Answered by
Nicole
Oh ok, thanks.
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