Question

Can someone help me here: Hard question for me!

Answer 1

it gives the equation
75 = 125(0.88)^x

To solve that first take log of both sides

Then use the power function of logs (log a^x = x loga)

The answer should then be clear

Answer 2

i got this z≈3.99602715

Answer 3

I think that it is not the correct answer!

Answer 4

sorry, that's right!

Answer 5

i sub in z for x srry

Answer 6

by it saying round to the nearest year, is that ?

Answer 7

I have made a wrong computation, since I have used 100 instead of 125. You are right!

Answer 8

you need to round it to....

Answer 9

hint:
you have to round off to the nearest unit

Answer 10

so, what do you get?

Answer 11

what do you mean by unit

Answer 12

for example, the number 59, is composed by 5 tenths and 9 units

Answer 13

3.996

Answer 14

4.00

Answer 15

4.0

Answer 16

better is 4

Answer 17

without the decimal point

Answer 18

yeah just 4

Answer 19

ok!