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Question 1

natural numbers

Answer 1

positive integers

Question 2

whole numbers

Answer 2

nonnegative integers
natural numbers combined with the number

Question 3

integers

Question 4

Fundamental Theorem of Arithmetic

Answer 4

every positive integer different from can be expressed as a product of primes in one and only one way (except for order of factors). Some examples are

Question 5

rational number

Answer 5

a real number that can be expressed in the form a/b, where a and b are integers and b =/= 0. Note that every integer is a rational number, since it can be expressed in the form.
terminating or nonterminating and repeating

Question 6

irrational numbers

Answer 6

Decimal representations for irrational numbers are always nonterminating and nonrepeating.

Question 7

zero factor theorem

Question 8

properties of negatives

Question 9

subtraction

Answer 9

To subtract one number from another, add the negative.

Question 10

division

Answer 10

To divide one number by a nonzero number, multiply by the reciprocal.