Asked by Sydney Ford
If I get 1 dollar for the first A plus 2 dollars for the second A and 4 for the thirs A and so on doubling with each additional A, and I get 8 different grades How do I do this?
Answers
Answered by
Steve
assuming they are all As, then you just need to know that
1+2+4+8+...+2^(n-1) = 2^n - 1
just use n=8
1+2+4+8+...+2^(n-1) = 2^n - 1
just use n=8
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