"Mary is solving the equation 2^n - 3 = 83. Her first three steps are shown.

Step 1: 2^n - 3 = 83
Step 2: 2^n = 86
Step 3: ln 2^n = ln 86

Which shows step four?"
A. n + ln 2 = ln 86
B. n = ln 86 - ln 2
C. n|n 2 = ln 86
D. ln 2 = n|n 86

Question

"Mary is solving the equation 2^n - 3 = 83. Her first three steps are shown.

Step 1: 2^n - 3 = 83
Step 2: 2^n = 86
Step 3: ln 2^n = ln 86

Which shows step four?"
A. n + ln 2 = ln 86
B. n = ln 86 - ln 2
C. n|n 2 = ln 86
D. ln 2 = n|n 86

mertsj · Answer

c if it says nln2=ln86

anonymous · Answer

Could you explain how you got that answer, if that's not too much to ask please?

mertsj · Answer

Use this law of logarithms:
$$\log_{b}a^n=n \log_{b}a  $$

mertsj · Answer

$$\ln2^n=nln2$$

anonymous · Answer

Ohh! okay! I see it now (: Thanks!