SOL 7.1 abcde Vocabulary
radical sign
The symbol used to indicate a positive square root
exponent
A mathematical notation indicating the number of times a quantity is multiplied by itself.
scientific notation
A method of writing or displaying numbers in terms of a decimal number between 1 and 10 multiplied by a power of 10.
rational number
A number that can be written as a fraction
decimal
A number with one or more digits to the right of the decimal point
percent
A ratio comparing a number to 100
perfect square
A rational number whose square root is a whole number
irrational numbers
Numbers that cannot be expressed as a ratio of two integers. Their decimal expansions are nonending and nonrepeating.
absolute value
The distance a number is from zero on a number line. ALWAYS POSITIVE
Powers of 10
The number of times 10 is multiplied by itself.
improper fraction
a fraction whose numerator is larger than the denominator
proper fraction
a fraction with a numerator smaller than the denominator
mixed number
a number made up of a whole number and a fraction
square root
a number that when multiplied by itself equals a given number
negative exponent
an exponent less than zero which causes the base and its exponent to move positions in a fraction
positive exponent
move decimal to the right
exponential form
numbers written with exponents
fraction
part of a whole
Base
the number in a power that is multiplied over and over
Integers
whole numbers, their opposites, and zero