Answer:
X=1 - y/2
Step-by-step explanation:
2x = 2 - y
divide both sides by 2
x = 1 - y/2
Idk....................................................
Answer:
2.3 x 10^11.
Step-by-step explanation:
There are 11 digits after the first digit (2).
The answer is 2.3 x 10^11.
This is called scientific notation.