Suppose your friend starts a rumor by telling you some juicy gossip Sunday night. On Monday, one of you shares the gossip with 2 more friends. The next day, they each share the rumor with 2 of their friends, so 4 more people hear the rumor on Tuesday. On Wednesday, those people each share the rumor with 2 of their friends, so now 8 more people have heard the rumor.
If the rumor continues to spread this way, how many people will hear the rumor on Saturday?
one hundred twenty-eight
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thirty two or sixty four.... Not really sure.
1,2,4..i'd like to avoid the e^kt thingy as much as possible so i'll use geometric sequencing...
An = A1r^n-1
Saturday is the 7th day so...
A7 = 1(2^6)
A7 = 64