DavidSponge

9/18/08 - The difference between a whole number and an integer is whole numbers are numbers 0 and greater that are not fractions and integers are both positive and negative numbers.

9/22/08 -page 83 (65-68)

65.  4.78d+0d=4.78d

66.   -21p-76p^2-9+p=-20p-76p^2-

67.     3.3t^2+8.7t-9.4t^2+5t=13.7-6.1^2

68.     1.5m-12.5v

9/24/08-page85(1-3,5-10)

1. (-1/3+(2/9)                           _1/3*3/3=-3/9                                 3/9+2/9=5/9

2. -3+(-17)=-20

3. [-5]+(-5)+5=5                  5. 2*4*(-3*-5)=120                   6. -5-4=-9                   7. -1.6                   8. t=temp -5+t 9. 8x-12 10. 49t

9/25/08          1. Associative Property- The grouping of the parenthesis doesn't change the answer(a*b)*c=a*(b*c) and the Commutative property is changing the order doesn't change the answer a*b =b*a