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Interactive Math Note Book
Exponents
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Exponents Homework page 1
Write each expression in exponential form 8x8x x7 4x4x4x x5x5x5x5 Find each value 54 At Russell’s school one person will contact 4 people and each of those people will contact 4 others, and so on. How many people will be contacted in the 5th round?
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Exponents page 2 What is an exponent? What is exponential form?
An exponent tells how many times a number is multiplied by itself. base->73<- exponent 73=7x7x7=343 A number is written in exponential form when the number or base is written with an exponent.
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Exponents page 2 continued
What is the exponential form of 4x4x4? What is the exponential form of 9x9x9x9x9? What is the value of the exponential form 37? Answer:43 Answer:95 Answer: 3x3x3x3x3x3x3=2,187
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Exponents Page 3 Do now Put these into exponential form and solve
4x4x4 3x3x3x3 5x5x5x5
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Exponents page 4 How do you use a tree diagram with exponents?
A tree diagram is used when dealing with word problems and exponents Ex: A secretary calls 3 families. Then each family calls 3 other families, and so on. How many families will be notified during the 6th round 1st round is the exponent 1, 3 families are called the base 3 which give us 31 Every family calls 3 so the base the round we want is 6 so the exponential number is 36=729
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