Chrome FiIe Edit View Bookmarks Profiles Tab Window TueNov23225PM History Help 0 Egg, Webassign Math 116 MAT X Section 53 , Math116,secti X c Find The Interest Rate Neede X + O C' webassignhet 7. [-11 Points] DETAILS TANAPCALC10 5.3.026. MY NOTES PRACTICE ANOTHER Find the interest rate needed for an investment of $4,000 to grow to $7,000 in 9 years if interest is compounded continuously. (Round your answer to the nearest hundredth of a percentage point.) % Need Help? 8. [0/1 Points] DETAILS PREVIOUS ANSWERS TANAPCALC10 5.3.027. MY NOTES PRACTICE ANOTHER Find the interest rate needed for an investment of $4,000 to double in 10 years if interest is compounded continuously. (Round your answer to the nearest hundredth of a percentage point.) :1): % Need Help? Submit Answer 9. [1" Points] DETAILS PREVIOUS ANSWERS TANAPCALC10 5.3.029. MY NOTES PRACTICE ANOTHER How long will it take for an investment of $9,000 to double if the investment earns interest at the rate of 6%/year compounded continuously? (Round your answer to one decimal place.) 115 yr I Need Help? @