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Square Number

The Square of a number is the number multiplied by itself

Square Root

when multiplying a number by itself to get a square number

Perfect Square

the number that forms when two same numbers are multiplied together

Terminating Decimal

A decimal number that ends or terminates. Example: 6.75

Repeating Decimal

A decimal in which one or more digits repeat infinitely. Example: 0.757575...

Common Denominators

Look for common factors and multiply to get them the same. Then add or subtract

Multiply fractions

multiply numerator by numerator

Dividing fractions

change the division sign to multiply then flip the second fraction.

Fractions to decimals

Fraction represents division

What is a power?

We can use powers to show repeated multiplication

zero exponent

a power with a 0 exponent is equal to 1

8650

Writing numbers in expanded form

Powers of 10

10 000 = 10x10x10x10= 〖10〗^4

brackets

Order of Operations

Exponent law for product of powers

To multiply powers with a same base, add the exponents

Exponent law for quotient of powers

to divide powers with the same base , subtract the exponents

Exponent law for a power of a power

to raise a power to a power multiply the exponents

Exponenet law for a power of a product

the power of a product is the product of powers

Exponent law for a power of a quotient

power applies to both the numerator and denominator