[填空题]
Ali bought a car for 18u h6t0* rpsi7w mau lm*4*pkq4000. The value of the car depreciates by 10.5e.n .0gq8qjbd % each yearqg .q8e.jnd0b .
1.Find the value of the car at the end of the first year.
FV≈ .
2.Find the value of the car after 4 years.
FV≈ .
3.Calculate the number of years it will take for the car to be worth exactly half its original value.
n≈ years.