4 people email 3 more people each so 12 people are emailed, then these 12 people email 3 more people each, so 36 people are emailed.
The first one is 4 x 10^-9
second one is 4 x 10^10
third one is 5 x 10^7
fourth on is 2 x 10^-5
Answer: 4
Step-by-step explanation:
6 • 2/3 =
12/3 =
4
Answer:
I don't understand your question!!!
