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* The absolute value of a number is the number’s distance (in either direction) from 0 on the number line (i.e. shown: |-3|). Even though 3 is negative, it is still “3″ distances from “0″ on the number line.

Answer: The absolute value of -3=3

* Factoring numbers is reversing multiplication, so the factors of 9 are whatever numbers that can be multiplied that equals 9. I always start with 1 and work my way up.

9

1×9

3×3

Answer: The factors of 9 are: 1, 3, 9

6 is not a factor of 9 because 6 times (X) does not equal 9.

* A prime number is a number that has two factors and can only be divided evenly by one and itself.

• 2 is a prime number: 1×2=2
• 3 is a prime number: 1×3=3
• 7 is a prime number: 1×7=7
• 9 is not a prime number: 1×9=9, 3×3=9
• 11 is a prime number: 1×11=11
• 13 is a prime number: 1×13=13
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* The square root is a number that when multiplied by itself, gives the original number (e.g. 4×4=16). The square root of 16 is 4 (because 4, times itself (4), equals 16.

Answer: The square root of 49 is 7 (7×7=49).

* Which of these is definitely not a noun?

• Cat
• Automobile
• Love
• Tree
• None of the above
• All of the above
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