Posted by Deb on Friday, January 9, 2009 at 7:55pm.
Simplify: 5^3 3
125 3 = 122 correct?

Math 115 24  Damon, Friday, January 9, 2009 at 8:00pm
No, on two counts
125 + 3 = 122
125  3 = 128

Math 115 24  Ms. Sue, Friday, January 9, 2009 at 8:02pm
5 * 5 = 25
25 * 5 = 125
125 3 = 128

Math 115 24  Damon, Friday, January 9, 2009 at 8:02pm
Look at what you are doing on a number line, negative is left. More negative is more left.

Math 115 24  Damon, Friday, January 9, 2009 at 8:05pm
Oh, I bet I know what caused the confusion:
If you multiply or divide two negative numbers you change the sign to positive.
HOWEVER
That does not happen when adding.

Math 115 24  Nabiha, Saturday, January 10, 2009 at 10:36am
i think 1253=128
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