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{
\bf  Quiz \# 5 for Dr. Z.'s Number Theory
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{\bf NAME:} (print!) $\underline
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{\bf E-MAIL ADDRESS:} (print!) 
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{\bf 1.} (5 points) Using divisiblity tests, determine
for each of the following 
integers (written in the usual, base $10$, way)
whether it is divisible by (i) $7$ (ii)$13$ . Explain!

{\bf a.} $490735357707$
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{\bf b.} $169130403130$
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{\bf 2.} (5 points)

What day of the week is

(i) Oct. 24, 2014

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(ii) Oct. 24, 2015

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(iii) Oct. 24, 2016

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(iv) Oct. 24, 2017
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(v) Oct. 24, 2018

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