76.4k views
5 votes
How many different messages can I convey if I use 2 light bulbs and each one stays either on or off?

4
3
6
2

User Bryant Luk
by
4.6k points

2 Answers

5 votes

Answer:

4

Step-by-step explanation:

1st: on on

2nd: on off

3rd: off on

4th: off off

User Kevin W Matthews
by
5.0k points
5 votes
3 I just did this ykkk
User ElKePoN
by
4.2k points