13)

Thor invests some money in an account earning 8% interest, compounded continuously. After how many years will

he double his investment? (Use the formla A = Pert and round answer to the nearest tenth.]

A) 6.2 years

B) 7.5 years

C) 8.7 years

D) 9.9 years

Question

Guest

Mathematics

19 December, 10:00

13)

Thor invests some money in an account earning 8% interest, compounded continuously. After how many years will

he double his investment? (Use the formla A = Pert and round answer to the nearest tenth.]

A) 6.2 years

B) 7.5 years

C) 8.7 years

D) 9.9 years

+5

Answers (1)

Know the Answer?

Jordon Perkins · Answer 1

c8.7

Step-by-step explanation:

Po*e^ (rt) = 2Po.

Divide both sides by Po:

e^rt = 2.

rt = 0.08t.

e^0.08t = 2.

0.08t*Log e = Log 2.

0.08t = Log2/Log e = 0.693

t = 8.7 yrs.

13)Thor invests some money in an account earning 8% interest, compounded continuously. After how many years willhe double his investment? (Use the formla A = Pert and round answer to the nearest tenth.]A) 6.2 yearsB) 7.5 yearsC) 8.7 yearsD) 9.9 years

13)

Thor invests some money in an account earning 8% interest, compounded continuously. After how many years will

he double his investment? (Use the formla A = Pert and round answer to the nearest tenth.]

A) 6.2 years

B) 7.5 years

C) 8.7 years

D) 9.9 years