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Math Mini-Unit 3A - Special Notation of Operations
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Terms in this set (9)
exponent
A mathematical notation telling you the number of times a quantity is multiplied by itself. Also called the power.
base
In exponents, it is the number that you will be repeatedly multiplying.
power
Another name for an exponent.
squared
A special name for numbers to the second power.
cubed
A special name for numbers to the third power.
standard notation
A number written in regular form.
expanded notation
A form of writing exponents in which you show the base number being multiplied repeatedly.
4 to the 5th power =
4 x 4 x 4 x 4 x 4.
exponential notation
A form of writing numbers to show repeated multiplication by the same factor. For example 2 to the 3rd power is 2 x 2 x 2. A small raised three above the two is the exponent. It tells how many times the number 2 (base number) is multiplied by itself.
Order of Operations
A rule for evaluating expressions: first perform the operations in parentheses, then exponents, then perform all multiplication and division from left to right, and then perform all addition and subtraction from left to right. PEMDAS / Please Excuse My Dear Aunt Sally.
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