TOPIC 1: Real Numbers

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Terminating Decimal

A decimal number that ends or terminates Is Rational!!

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.

Irrational Number

Any number that CANNOT be written as a fraction. *non perfect squares. *PI *decimals that are non-terminating AND non-repeating

Rational Number

Any number that can be written as a fraction; includes natural, whole, and integer numbers; includes decimals that terminate or repeat

Product Rule for Exponents

Keep the base, add the exponents

Quotient Rule for Exponents

Keep the base, subtract the exponents (usually written as a fraction)

Power of a Power Rule

Multiply every exponent inside the parentheses by the exponent on the outside of the parentheses.

Perfect Square

Product of two factors that are each the same number

Natural Number

Set of counting numbers starting with 1 and going to infinity

Whole Number

Set of natural (counting numbers) numbers and zero

Integers

Set of whole numbers and their opposites and zero

Repeating Decimal

The decimal form of a rational number that has a continues with the same number Is Rational!!

Real Number

The set of rational numbers together with the set of irrational numbers

Radical Sign

The symbol used to indicate a positive square root

Exponents

exponents show repeated multiplication

Square Root

one of the two equal factors of a number. "What number multiplied by itself gives me this number?"


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