course mth 151

5.3 3. True

5. false

6. true

9. true

10. false

12. 60

15. 7

18. 65

20. 2

21. 6

24. 15

25. 12

27. 70

30. 1. Write the numbers on two separate lines

2. divide each number by prime numbers until you can’t divide anymore

3. separate the quotients so all like numbers are together

4. take the greatest of all quotients and times them together

33. 672

35. 840

36. 144

39. 225

40. 360

41. 2160

42. 2310

43. 1260

48. 2400

On numbers 43 and48 I didn’t know how to do these in that particular formula they asked, so had to do them in a different way.

50. a. 2 ^ 31 * 5 ^ 17 * 7 ^ 13

b. 2 ^ 34 * 5 ^ 22 * 7 ^ 21

51. 30

54. 3

55. 12

57. firs circle has 2,2 in it, second circle has 2 and 3 the intersection of the two circles has a 3 in it

a. 3 b. 72

63. the only thing I really remember is when we played a game and the answers gave us the next clue where to look

65. 144

66. July 31st

69. $ 600 and 25 books

70. 12