What's the question? I'll help with it as much as I can :)
Step-by-step explanation:
(1.4 X 10³)³
2.744×10⁹
Hope it helps u
Answer: x=75
Explanation:
x+10+x+20=180
combine like terms
2x+30=180
subtract 30 from each side
2x=150
divide each side by 2
x=75