M
Mike P
Guest
Suppose there are 1.1×10^4 civilizations broadcasting radio signals in the...
...Milky Way Galaxy right now.? Part A - On average, how many stars would we have to search before we would expect to hear a signal? Assume there are 500 billion stars in the galaxy.
Express your answer using two significant figures.
Part B - How does your answer change if there are only 100 civilizations instead of 1.1×10^4?
Express your answer using two significant figures.
PLEASE HELP ME!!!!!!!!!! I APPRECIATE IT!!!!
...Milky Way Galaxy right now.? Part A - On average, how many stars would we have to search before we would expect to hear a signal? Assume there are 500 billion stars in the galaxy.
Express your answer using two significant figures.
Part B - How does your answer change if there are only 100 civilizations instead of 1.1×10^4?
Express your answer using two significant figures.
PLEASE HELP ME!!!!!!!!!! I APPRECIATE IT!!!!