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|dw:1460526769284:dw| @ijakez
What do you do when the exponents are divided? You...
um? idk
@jim_thompson5910
C'mon, we did this like 4 times! When you multiply exponents, you add them. When you divide exponents, you ????? them. What's the ????
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subtract? @ijakez
@jim_thompson5910
Yes! you subtract them!
So you would do 8 - (-3).
-11?
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Well if youre subtracting a negative number, it turns positive.
So 8- (-3) turns into 8 +3.
so 11
Yup
You can think of 8-(-3) as you start off with 8 dollars the -3 represents the fact that you're in debt 3 dollars, or you have 3 IOUS taking away 3 IOUs is the same as adding 3 dollars to your pocket so that's why 8-(-3) is the same as 8+3
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