Homework Help: Math

Posted by Nat on Friday, August 28, 2009 at 1:04pm.

without finding the exact answer select which of the following numbers is the best estimate of each sum or difference and justify your choices: - 2/3, 0, 2/3
1/9 + 2/5 - 1/3 - 3/4

Math - MathMate, Friday, August 28, 2009 at 4:30pm
1/9 + 2/5 - 1/3 - 3/4
= (-1/3 + 1/9) + (-3/4 + 2/5) (both terms are negative)
= -2/9 + (-1/3) approx.
= -2/3 approx.
Math - david, Sunday, February 21, 2010 at 7:25pm
Thanks so much I understand now

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