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The Real Number system

Across
two numbers that are the same distance from zero on the number line but in opposite directions
sentence showing a relationship between numbers that are not necessarily equal; uses the symbols >, <, ≥, ≤, or ≠
the value of a base and exponent
a number or a variable, or the product of a number and variable(s)
the number 1; when multiplied by any number, the value of the number does not change
a(b + c) = ab + ac, or a(b - c) = ab – ac
one term or multiple terms connected by an addition or subtraction sign
an expression that uses variables to state a rule
a number; a term containing no variables
Down
a letter or symbol used to represent an unknown number
a number belonging to the set made up of zero and the natural numbers
the number of units between two numbers or points, regardless of direction
a system for simplifying expressions that ensures that there is only one right answer
the (superscript) number in an exponential expression; it tells how many times a factor is repeated
the reciprocal of a number; the product of a number and its multiplicative inverse is 1
any rational number that is the square of another rational number
a property of the real numbers which states that how numbers are grouped in a sum or product does not change the value
a number belonging to the set made up of the numbers that are used to count: 1, 2, 3, and so on
the method of writing very large or small numbers as a product of a number greater than or equal to 1 and less than 10 multiplied by a power of 10
a number which can be written as an infinite decimal
a number belonging to the set made up of the whole numbers and their opposites
a number that when multiplied by itself (squared) equals a given number
the number which is repeated as a factor in an exponential expression