Posted by Ellie on Friday, March 29, 2013 at 5:34pm.
a number line below
5 4 3 2 1 0 1 2 3 4 5
Which of the expressions below represent the distance between 4 and 5 on the number line? [ ]= absolute value symbol
A. [4+5]
B.[45]
C.[45]
d.[5(4)]
I believe it is D, since the absolute value of a neg. number is positive. When it is in parenthesis first you do the absolute value and the mult. by the 4 keeping the answer ranging from 54 on the number line.
Is this correct.
Thank you for your help

math  Reiny, Friday, March 29, 2013 at 6:30pm
By just counting you know the distance is 9
the only expression that will give you 9 is
45 = 9 = 9
You have to do the stuff inside the absolute value first, then take the absolute value.

math  Ellie, Friday, March 29, 2013 at 7:42pm
Thank you, I wasn't thinking the distance, I was thinking the actual numbers of 4 and 5, you helped me see how this is done. Thanks a lot
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