#ATTENDANCE QUIZ FOR LECTURE 2 of Dr. Z.'s Math454(02) Rutgers University

# Please Edit this .txt page with Answers

#Email  ShaloshBEkhad@gmail.com 
#Subject: p2
#with an attachment called
#p2FirstLast.txt
#(e.g. p2DoronZeilberger.txt)

#Right after finishing watching the Second lecture but no later than Friday, Sept. 11, 2020, 8:00pm




Q1. THE FIRST ATTENDANCE QUESTION WAS:
Let a= first digit of your RUID, Let b= second digit of your RUID, let c=fifth digit of your RUID, Let d=sixth digit of your RUID
How many walks in Manhattan are there not using BDWAY. Walking in the positive direction.


A1. MY ANSWER TO THE FIRST ATTENDANCE QUESTION IS:

From corner of min(1,6) st and min(0,3) ave there are 4 different walks.



Q2. THE  SECOND ATTENDANCE QUESTION WAS:
Consider your RUID as a word of length 9 in the 10-letter alphabet {0,1,2,...,9}
How many ways to rearrange your ruid?

A2. MY ANSWER TO THE  SECOND ATTENDANCE QUESTION IS:
(9!)/(3!*2!*2!)=15120