+0  
 
0
867
3
avatar+14 

Does the rule ''-1*by the power of 20 = 1 '' and ''-1*by the power of 19 = -1'' apply to -2, -3 etc.?

 Sep 29, 2014

Best Answer 

 #2
avatar+23252 
+5

Hi!

-1 times itself an even number of times results in a +1.

-1 times itself an odd number of times results in a -1.

Any negative number multiplied times itself an even number of times results in a positive number.

Any negative number multiplied times itself an odd number of times results in a negative number. 

 Sep 29, 2014
 #1
avatar+98 
0

yes i think so

 Sep 29, 2014
 #2
avatar+23252 
+5
Best Answer

Hi!

-1 times itself an even number of times results in a +1.

-1 times itself an odd number of times results in a -1.

Any negative number multiplied times itself an even number of times results in a positive number.

Any negative number multiplied times itself an odd number of times results in a negative number. 

geno3141 Sep 29, 2014
 #3
avatar+2 
0

yeah i think it does

 Sep 29, 2014

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