The answer is C 210 pi cm^3. Hope this helps
It could be 8 since 8x18= 144 and 144 divided by 2 is 72
$260
I don’t know what model/formula you are supposed to be using.
But what I did first was calculated what 30% of 2700$ is.
2700 x .3 = 810
So it depreciates $810 per year.
$810 x. 3 years = 2430
2700 - 2430 = 260
In three years, the laptop will be worth $260