Answer:
The right answer is "5.9". A further solving is provided below.
Step-by-step explanation:
The given values are:
Initial Magnitude,
M₁ = 3.9
Let Second magnitude be M₂.
Now,
⇒ 
On substituting the values, we get
⇒ 
On putting the value of "log 120", we get
⇒ 
On adding "3.9" both sides, we get
⇒ 
⇒ 
Answer:
Option A: 6.23 x 1012
Step-by-step explanation:
Please check provided image.
Answer:
1st - Yes ; 2nd - Yes ; 3rd - Yes ; 4th - No
Step-by-step explanation:
I don't know if this is right, but I'm pretty sure it's B.