210test4key - Math 210 Section Oil: Tost #4 NAME: This...

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Unformatted text preview: Math 210 Section Oil: Tost #4 NAME: This tost, haw 6 pages. The points por pago arc 5, 4, 5, 5, 4, 5. [5 points] Q u estion 1. How many integers in {1. 2, 3, . . . . 1000} arc not divisible by 2, 3, 5. or 7? 10 00 coo I ' 3 2-3.J Irtfl I COO 2-7 j s V /OOO. 3--? JOtJO 3 -S -l 4 3 3 3 . + ^ 0 0-7 1- U 3S-h 79 -- 7 7 2 . [2 points] Q u estion 2a. How many odd numbers in {1000, 1001 , 1002, , . . , 9999} have no repeated a b c h i ! sp*<* ill s < ? . 8 w*s. (/.<? M (0--. C 1 * re c. * o r [2 points] Q u estion 2b. JIow many even nnmbers in {1000, 1001, 1002, . . . . 9999} have no repeated digits 7 CASE i. V 1 V 'r" V 0 ) F ill r f t f c 0 . F ill C- 7 ' I V ' I , \ a C<)F,ll ' o J a L. r - i f i l l S p r e C . 7 ' ' J- <* [5 points] Q u estion 3. How many permutations of the letters a, b, (-, d, e, / , g have oil, her two or three letters between a and /;? ^ ^ , ^ a _, _ ^ b _, b ^ ^ ^ -_- ^ b /e h Co*M he. oe-u'.iL a....
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210test4key - Math 210 Section Oil: Tost #4 NAME: This...

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