Question

Nicki shows a magic trick to three of her friends. Each of those friends shows it to three more friends. If the pattern is repeated two more times, how many people now know the trick?​

Answer 1

121

Explanation:

1st step she tells 3 people

2nd step 3x3=9

3rd step 9x3=27

4th step 27x3=81

1(nicki)+3+9+27+81= all the people who know about the trick

=121