What is the difference written in scientific notation? 1.3 x 106 – 6.8 x 105
8.84 x 10'
-6.67 x 10
6.2 x 103
-5.5 x 10
Done

1.3 × 10^6 - 0.68 × 10^6 =

( 1.3 - 0.68 ) × 10^6 =

0.62 × 10^6 =

6.2 × 10^5

the equation for this situation is y=122+45. to solve the equation you would add 45 and 122 to get a total of 167lbs. in conclusion, grace's weight eight weeks ago was 167lbs.  

y > 1/3x

y < = -x + 4

hope this : )