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Unformatted text preview: Name: Raymond Milek Student ID: 0483682 Thomas Edison State College Applied Liberal Arts Mathematics (MAT-105) Section no.: 5.1-5.3, 5.6 Semester and year: October, 2011 Written Assignment 2 Section 5.1 20. Determine whether the following statement is true or false. If false, modify the statement to make it a true statement. 15 is a factor of 45. Answer: True, 15×3=45 24. Determine whether the following statement is true or false. If false, modify the statement to make it a true statement. If every digit of a number is divisible by 3, then the number itself is divisible by 3. Answer: True, The only digits divisible by 3 are 3, 6, and 9. Any possible combination of these numbers will always be divisible by 3 because, regardless of the place value, 3 is a factor in every number consisting of only 3, 6, and 9. 28. Determine whether the number is divisible by each of the following numbers: 2, 3, 4, 5, 6, 8, 9, and 10. 33,813 (3) (30,000÷3=10,000) (3,000÷3=1,000) (800÷3=266r2) (10+2=12÷3=4) (3÷3=1) 10,000+1,000+266+4+1= 11,271 (7) (30,000÷7=4,285r5) (3,000+5÷7=429r2) (800+2÷7=114r2) (10+2÷7=1r5) (3+5÷7=1r1) 4,285+429+114+1+1= 4830r1 (9) (30,000÷9=3,333r3) (3,000+3÷9=333r6) (800+6÷9=89r5) (10+5÷9=1r6) (3+6÷9=1) 3333+333+89+1+1= 3,757 Answer: The number is definitely not divisible by 2, 4, 6, 8, and 10. No number ending with an odd number (for the last place value) is ever divisible by an even number. The numberan odd number (for the last place value) is ever divisible by an even number....
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This note was uploaded on 03/18/2012 for the course MAT 105 taught by Professor Dilling during the Spring '12 term at Thomas Edison State.
- Spring '12