After planting, a certain tree grows according the model below, with t in years and the height h in feet.

h(t)=5(19−5e^−0.52t)

After how many years will the tree be 87 feet tall? Round your answer to two decimal places.

I got 5.58493 years

check my work please

you didn't show us your work, just the answer.

And it's not what I get.
You show me yours, and I'll show you mine.