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6.1

Last updated over 4 years ago

4 questions

1

Question 1

1.

A savings account earns interest at an annual rate of 3.5%, compounded monthly. If the account begins with a principal amount of $5, 000, what will be its value after 4 years?

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Question 2

2.

A savings account earns interest at an annual rate of 3.5%, compounded continuously. If the account begins with a principal amount of $5, 000, what will be its value after 4 years?

Question 3

3.

After 4 years, a savings account with continuously compounded interest at a rate of 4% is worth $15, 320. What was the initial amount deposited in to the savings account?

Question 4

4.

A mass of carbon-14 atoms decays in such a way that half disappear every 5,730 years. What portion of a 10 kg mass of atoms will remain after 9,000 years? Round to the nearest tenth.