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Chapter4

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Rules for Divisibility   2-Ends in even number, 3- Sum of digits Divisible by 3, 4- Last two digits divisible by 4, 5- Ends in 0 or 5, 6- If divisible by 2 and 3, 8- Last 3 digits divisible by 8, 9- Sum of digits divisible by 9, 10- Ends in 0  
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Factors   numbers used to multiply to get a number  
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Order of Operations   work inside grouping symbols then simplify any terms with exponents, then multiply and divide in order from left to right, then add and subtract in order from left to right  
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Exponent   An is the number that shows how many times a basic is used as a factor  
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Base   the original number  
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Power   is any expression in the form of a^ power can also be referred to exponent  
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Prime Numbers   is an integer greater than 1 with two positive factors 1 and itself  
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Composite Numbers   is an integer greater than 1 with more than two positive factors  
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GCF   the greatest common factor of two or more numbers is the greatest factor that the numbers have in common  
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Variable GCF   the greatest common factor that includes variables  
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Prime Factorization   the prime factorization of a number is the expression of the number as the product of its prime factors  
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Finding Prime Factorization using GCF   you take that number times 1  
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Rational Numbers   any number you can write as a quotient of two integers were the bottom number is not 0 or 2  
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Multiplying Exponent Rule   when you multiply them you add what is the exponent of the same base  
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Zero Exponent Rule   when you have a zero exponent it is its self but in a equation it becomes nothing  
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Negative Exponent Rule   you move it to the top of the bar and then it becomes positive  
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(-3)^2   9  
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12x^2y^5 8x^4y^2   3x^2y^3 2  
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write the without negative exponents x^-3y^2 a^2b^-3   y^2b^3 x^3a^2  
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rewrite with out fraction bar x^3y^2 a^2b^3   x^3y^2A^-2b^-3  
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rewrite without zero or negative exponents and simplify x^-3y^2z^0 x^-2y^-3   y^5 x^1  
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