Hey there!
(130 billion) in scientific notation:
Hope this helps!
The answer is c. 66 if you multiply 22 by 3 you get 66
Switch the equation around and it gives you D+B/A=C. Then subtract D from both sides, which gives you B/A=C-D. Then you multiply by A which gives you B= CA - DA
1 bag is 3 dollars and 9 bags is 37&