T102 CHAP7 & 8 REVIEW SPRING 2013

Thereforexcanbeanymultiple of7thatislessthan3500 28

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Unformatted text preview: could the repetend be? Change to a decimal T102 Chapter 7 & 8 Review Page 6 Answer Key Testname: T102 CHAP7 & 8 REVIEW SPRING 2013 1) 4000.003 2) Twenty- one and thirty - four thousandths 3) a. No, because the prime factorization of the denominator is 2 2 · 3 which has a factor other than 2 and/or 5. b. Yes, because the prime factorization of the denominator is 5 2 ·2 3 which has only factors of 2 and/or 5. c. Yes, because after reducing the fraction to 4/5, the prime factorization of the denominator is 5 which has only factors of 2 and/or 5. 4) 5.8, 6.9, 8 5) 0.0000034 6) 4.2 x 10- 7 7) a. 406.79 b. 410 8) 51.6 9) 0.1875 79 10) 10 11) 9 · 100 + 0 · 10- 1 + 0 · 10- 2 + 0 · 10- 3 + 7 · 10- 4 + 3 · 10- 5 + 8 · 10- 6 12) 27.972 13) a. 0.36 b. 0.175 c. 0.190476 14) a. > (you can do this without a calculator.) 12 = 2· 3 3 is less than 2. (because 4 = 2) So, 2· 3 is less than 2 · 2 So, 4.45 > 12 b. = c. > 15) $76 + $6 + $23 + $16 = $ 121 T102 Chapter 7 & 8 Revi...
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