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Math Quiz 5 for Math for Elem Ed I by Prof. Brick (Summer '04), Exercises of Elementary Mathematics

Cochin University of Science and TechnologyElementary Mathematics

Math quiz 5 for math for elem ed i, taught by prof. Brick during the summer '04 term. The quiz includes three problems: calculating savings during a 40% off sale, finding prime factorization and divisors of a number, and determining the values of a digit for a number to be divisible by 3.

Typology: Exercises

2012/2013

Uploaded on 03/31/2013

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Prof. S. Brick Math 201
Summer ’04 section 101
Math for Elem Ed I; Quiz 5
Show your work. Explain your reasoning.
0. Print your name:
1. An online store is advertising a 40% off sale. You are interested in an item whose
pre-sale price is $36.00 Explain how you could use mental math to calculate your savings.
2. Find the prime factorization of 1089. How many divisors (including 1 and itself) does
it have ?
3. For what value(s) of the digit ais the number 816289234165a6142 divisible by 3 ?

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Prof. S. Brick Math 201 Summer ’04 section 101

Math for Elem Ed I; Quiz 5

Show your work. Explain your reasoning.

  1. Print your name:
  2. An online store is advertising a 40% off sale. You are interested in an item whose pre-sale price is $36.00 Explain how you could use mental math to calculate your savings.
  3. Find the prime factorization of 1089. How many divisors (including 1 and itself) does it have?
  4. For what value(s) of the digit a is the number 816289234165a6142 divisible by 3?