## MATH Ch. 4- Factors, Fractions, & Exponents & 5- Rational #s & Equations †

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meeryel94  on January 21, 2008

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# MATH Ch. 4- Factors, Fractions, & Exponents & 5- Rational #s & Equations †

 prime numbera whole # > 1 that has exactly 2 whole # factors, 1 and itself 173
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#### Definitions

prime number a whole # > 1 that has exactly 2 whole # factors, 1 and itself 173
composite number a whole # > 1 that has more than 2 whole # factors 173
prime factorization the writing of a whole # as a product of prime #s 173
factor tree diagram used to write the prime factorization of a # 173
monomial a #, variable, or the product of a # 174
common factor a whole # that is a factor of 2 or more nonzero whole #s 177
greatest common factor (GCF) the greatest whole # that is a common factor of 2 or more nonzero whole #s 177
relatively prime when 2 or more nonzero whole numbers have a greatest common factor of 1 178
equivalent fractions 2 fractions that represent the same # 182
simplest form (of a fraction) when the numerator of a fraction is relatively prime /the denominator 183
multiple the product of a # and any nonzero whole # 187
common multiple a multiple shared by 2 or more #s 187
least common multiple (LCM) the least # that is a common multiple of 2 or more #s 187
least common denominator (LCD) the LCM of the denominators of 2 or more fractions 188
scientific notation a # written w/the form c x 10 ^n where 1_<c<10 and n is an integer 204
rational number # that can be written as a quotient of 2 integers 219
terminating decimal decimal w/ final digit, can be written as quotient of integers a/b, where b not= 0 219
repeating decimal decimal w/ digit or block of digits that repeats w/o end , can be written as quotient of integers a/b where b not= 0 219
reciprocals 2 nonzero #s whose product is 1 243
multiplicative inverse the reciprocal b/a of a nonzero # a/b where a not= 0, b not= 0; product of # and reciprocal = 1 247

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