Question

can anyone help me with solving problems with Exponential and Logarithmic

Answer 1

whats the prob be?

Answer 2

holly wants to save money for an emergency. holly invests $1200 in an account that pays an interest rate of 4%.
how many years will it take for the account to reach $15,400? round your answer to the nearest hundredth

Answer 3

15400=1200(1.04)^t

Answer 4

154
---- = 1.04^t
12

Answer 5

t = log1.04(154/12)

Answer 6

140.714 is what i got. correct?

Answer 7

we can do change of base to be able to do this on a calculator...

Answer 8

log(154/12)
----------
log(1.04)

Answer 9

65.07 years?

Answer 10

you can always double check by plugging your answer into the original...

Answer 11

15400 ?=? 1200(1.04)^(65.07)

Answer 12

15400.706

Answer 13

so 65.07 is correct?

Answer 14

i believe it is..... but i dont know how your program accepts its answers.... it may be off by 1/100

Answer 15

it was right!

Answer 16

yay!!

Answer 17

You invest $4,900 in an account that pays an interest rate of 5.5%, compounded continuously. Calculate the balance of your account after 6 years. Round your answer to the nearest hundredth,

Answer 18

cant get medals if no new questions are posted lol.....

Answer 19

pert again....

Answer 20

4900(e^(.055)(6))

Answer 21

plug that into google and the calc will spit back an answer