Answer:
Ste scientific notation, a positivep-by-step explanation:
The standard number is greater than one. Negative means it's going to be .xxx
1
Step-by-step explanation:
use the 3d equation because x = 1
1-1+1 = 1
6 pounds
the answer is 54
plug in the numbers
-6×-9 - 3 × -6+2 × -9
solve to get 54