4)
Test the divisibility of the following
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Answers
Answer:
Divisibility rules help us to determine if a number is divisible by another without going through the actual division process such as the long division method. If the numbers in question are numerically small enough, we may not need to use the rules to test for divisibility. However, for numbers whose values are large enough, we want to have some rules to serve as “shortcuts” to help us figure out if they are indeed divisible by each other.
Step-by-step explanation:
The sum of the digits of the number 522 (5+2+2=9) is 9 which is divisible by 3. That makes 522 also divisible by 3. However, the number 713 has 11 as the sum of its digits. Because the sum of the digits is not divisible by 3 makes the number 713 not divisible by 3 as well.
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