Laws of Exponents Practice using PowerPoint Joe Hill Director of Math and Technology Rockingham County Public Schools

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Presentation transcript:

Laws of Exponents Practice using PowerPoint Joe Hill Director of Math and Technology Rockingham County Public Schools

Laws of Exponents Compute: 2 5 Answer: 32

Laws of Exponents Compute: 5 -2 Answer: 1/25

Laws of Exponents Compute: 0 2 Answer: 0

Laws of Exponents Compute: 2 0 Answer: 1

Laws of Exponents Compute: 0 0 Answer: ??

Laws of Exponents Compute: Answer: -16

Laws of Exponents Compute: (-4) 2 Answer: 16

Laws of Exponents Compute: Answer: - 1/16

Laws of Exponents Compute: Answer: 64

Laws of Exponents Compute: (4 5 )(4 2 ) Answer: 4 7 or 16,384

Laws of Exponents Compute: (4 5 ) 2 Answer: 4 10 or 10,485,676

Laws of Exponents Express in scientific notation: 12,300,000 Answer: 1.23 x 10 7

Laws of Exponents Express in scientific notation: Answer: 1.23 x 10 -3

Laws of Exponents Multiply and express your answer in scientific notation: (2 x 10 8 )(6 x 10 9 ) Answer: 1.2 x 10 18

Laws of Exponents Multiply and express your answer in scientific notation: (3.1 x 10 8 )(6 x ) Answer: 1.86 x 10 0

Laws of Exponents Add and express your answer in scientific notation: (4 x 10 8 )+(2 x 10 9 ) Answer: 2.4 x 10 9

Laws of Exponents Multiply and express in exponential form: (4 5 )(8 2 ) Answer: 2 16 or 4 8

Laws of Exponents Add, expressing your answer in exponential form: Answer: 2 13

Laws of Exponents What is one-third of 3 99 ? Answer: 3 98

Laws of Exponents If x 100 = 4, find x 200 Answer: 16

Laws of Exponents If 5 x 6 x =7 x, find x Answer: 0

Laws of Exponents If 3 x + 4 x =5 x, find x Answer: 2

Laws of Exponents If 2 x = 5, find the value of 2 2x+1 Answer: 50

Laws of Exponents Compute and express your answer in scientific notation: Answer: 1.0 x 10 9