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Its the thirteenth number.
It's abosolute value is 13.
It's opposite is -13.
If you add 87 to it, it equals 100.
It's before 14.
It's after 12.
Its a natural number.
13x2 is 26.
It's a real number.
Its rational (it can be turned into a fraction).
(Just for fun.) It is supposedly an unlucky number.
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Earn +20 ptsQ: What are 10 math facts about the number 13?
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Math facts for the number 13?
It is the 6th prime number.
Math facts with the number 20?
11+9 12+8 10+10 13+7 14+6 15+5 16+4 17+3 18+2 19+1 these are the 20 facts hope it helps u :)
All the facts about the number 13?
13 is not an unlucky number it is superstitious. I love the number 13
What 13 OVER 10 as a mixed number?
13/10
The sum of a positive number and a negative number is positive if?
The value of the positive number is greater than the value of the negative number. 23 + (-13) = 10 but (-23) + 13 = (-10)
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