Math question in the blue book.

Test Preparation SAT Preparation
1

<p>The number that results when an integeris multiplied by itself CANNOT end in which of the following digits?</p>

<p>A)1
B)4
C)5
D)6
E)8</p>

<p>The answer is 8.</p>

2

<p>ok find a counter-example for every answer choice</p>

<p>A is wrong because of 1x1 =1
B is wrong because of 2x2 =4
C is wrong because of 5x5 =25 (ends in 5)
D is wrong because of 6x6 = 36(ends in 6)</p>

3

<p>omg, now i got the question, wow im dumb.</p>

4

<p>:o. :o :o :o</p>