108) Find X

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108) Find X

by ern5231 » Sun May 16, 2010 8:36 pm
X^4 has 4 in the units place. What is the value of X?
A. X is not divisible by 2
B. X is divisible by 3
Last edited by ern5231 on Sun May 16, 2010 10:05 pm, edited 1 time in total.

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by sk818020 » Sun May 16, 2010 9:06 pm
What is not divisible by 2 and what is not divisible by 3?

X^4 or X?

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by mj78ind » Mon May 17, 2010 1:33 am
Answer is E ...... no x exists where x^4 ends in 4 .......