Mat-115 Written Assignment 1
Written Assignment 1
Thomas Edison State University
Math-115: Intermediate Algebra
Professor Donna Smith
Written Assignment 1
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Mat-115 Written Assignment 1
1.1: Use the Language of Algebra
Determine whether each number is divisible by 2, 3, 5, 6, and by 10.
1.
48
Answer:
The number is divisible by 2 because the last digit is 8
The number is divisible by 3
because the sum of the digits (4+8=12) is divisible by 3
The number is not divisible by 5 because the last digit is not 5 or 0
The number is divisible by 6 because oit is divisible by both 2 and 3
The number is not divisible by 10 because the last digit is not 0
2.
20,355
Answer:
The number is not divisible by 2 because the last digit is not 0,2,4,6, or 8
The number is divisible by 3 because the sum of the digits (2+0+3+5+5=15) is divisible
by 3
The number is divisible by 5 because the last digit is 5
The number is not divisible by 6 because it it not divisible by both 2 and 3
The number is not divisible by 10 because the last digit is not 0
Find the prime factorization.