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Urgent help needed question

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Senior | Next Rank: 100 Posts
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by achandwa » Mon Oct 22, 2007 12:11 pm
(17)^2*(13)^4*(29)*3

Units digit of the product = the product of all digits in units place

Units place of 17^2 = 7*7 = 4(9)
Units place of 13^4 = 3*3*3*3 = 8(1)
Units place of 29*3 = 9*3 = 2(7)

Therefore, units digit of the product = 9*1*7 = 6(3)
Answer = 3
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by gabriel » Mon Oct 22, 2007 12:52 pm
Ok dude, this is the third thread you have opened for the same question ... one more thread with the same question and it will be considered spamming and hence will be deleted ..

Regards
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