EJ+Sponge

9/17- An integer is any number from infinity to negative infinity and an whole number is any number between 1 and infinity and doesnt include decimals or fractions.

9/23- 4.78d+0d= 4.78           66. -20p - 76p2 - 9                                                           67. 9.9t+8.7t= 18.6 -82.6 + 5t= 69t          68. 2.7 - 12.5 + 4.2 = 1.5m - 12.5v

9/24- 1. 1/3 + 2/9+ 5/9               2. -3+(-17)=20            3. 15          5. 60           6. 1                7. -3     8. -5 + n                9. 10. 49t 9/25 1. yes                               2.no                                  3. no                            4. no

9/26 commutative- means that there is more than one way of doing things in the problem. associative- means there is an problem with parenthesis and u add something to it.

10/1 15.6k²      16.13xy           17. 2t+2        18. 12x-4       problem 1. 23/14

10/2          1. x=19              2. x=5.2            3. x= -14       4. 33=x          5. x=32           6. x=3            7. x=1/5             8.-9                                9.3 3/4

10/3          40. c=56             41. k= 7        42.p=-4                 43.-y=30