turtle18
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On January 1st, Jerome concocts a rumor and tells Beth. On January 2nd, they each tell a new person. By the end of January 2nd, four people have heard the rumor. On each subsequent day, each person who has heard the rumor spreads it to a new person.

How many people have heard the rumor by the end of January 8th?

Respuesta :

apologiabiology
1st, tells one person
2nd, 2 people tell 2 more people
3rd, 4 peole tell 4 more
4th, 8 people tell 8 more
5th, 16 peoiple tell 16 more
6th, 32 people tell 32 more
7th, 64 peopl tell 64 more
8th 128 telll 128 more
at end, 256 have head it

the equestion is
2^(d) where d is the day in january

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