+0  
 
0
132
1
avatar+73 

Note that

1111111=10^6+10^5+10^4+10^3+10^2+10+1

and

909091=10^6-10^5+10^4-10^3+10^2-10+1.

 

Compute the product of these two integers.


Is it a)10101010101010 or b)1010101010101?

amandapaolars  Mar 13, 2018
 #1
avatar
+1

YOU GOT IT!!!

Their product is b.

Guest Mar 13, 2018

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