Answer:
50.24 yards²
Step-by-step explanation:
The equation for area of circle is πr². So the calculation is 4² × 3.14.
16 × 3.14 = 50.24
Multiply them together. The product is the answer of a multiplication process.
$260
I don’t know what model/formula you are supposed to be using.
But what I did first was calculated what 30% of 2700$ 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
Answer:
$722444.49386776
Step-by-step explanation:
Use Compound Intrest Formula

- where p is the original amount.
- R is the amount of percentage compounded
- N is amount of times compounded per year.
- T is how long the interest last.
P is 400,00p
T is 12% or 0.12
N is 4 since it is compounded quarterly
T is 5.
Plug the values in

Ypu get
$722444.49386776
When written in scientific notation, 3,900 = 3.9 x 10^3