Praxis 5164 Latest Version 2023 Graded A+

Praxis 5164 Latest Version 2023 Graded A+ real number all rational and irrational numbers irrational number cannot be written as fractions/decimals because the number of decimal places is infinite and there is no recurring pattern of digits within the number rational number all integers, decimals and fractions. any terminating or repeating decimal integer any positive or negative whole number including zero, no fractions, decimals, or mixed numbers whole number positive integers and zero natural number counting numbers or all positive numbers beginning with 1 a^1 = a 1^n = 1 a^n x a^m = a^n+m a^n / a^m = a^n-m (a^n)^m = a^nm a^-n = 1/a^n (ab)^n = a^n x b^n (a/b)^n = a^n / b^n commutative property the property that says that two or more numbers can be added or multiplied in any order without changing the result. a+b=b+a axb=bxa associative property changing the grouping of numbers will NOT change the value. a+(b+c)=(a+b)+c a(bc)=(ab)c distributive property a property indicating a special way in which multiplication is applied to the addition of two or more numbers in which each term inside a set of parentheses can be multiplied by a factor outside the parentheses a(b+c)= ab+ac identity property a) the sum of a number and 0 is the number; b) the product of a number and 1 is the number a+0=a ax1=a inverse property the sum of a number and its opposite is 0 a+(-a)=0 a(1/a) = 1 n squareroot of a = b b^n = a add/