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Mathematics 22 Online
OpenStudy (anonymous):

what is the unit digit of 8^2012 times 9^2013?

OpenStudy (goformit100):

@dan815

OpenStudy (dan815):

u want the last numbers?

OpenStudy (dan815):

or length of the numbers

OpenStudy (dan815):

u gotta look at the repetition pattern

OpenStudy (dan815):

look at 8^1 to 8^9 and 9^1 to 9^9 see if u can spot the pattern

OpenStudy (anonymous):

thanks:)

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