I dont understand, are you sure the question is correct.
I feel the answer is
7^b+1
But thats not an option
Exponents
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Source: Beat The GMAT — Problem Solving |
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thephoenix
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rockeyb
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Guys ,
I agree with you that answer should be 7(7^b) and I too got the same answer .
But it says option B is correct which is 7^(b-1) .
Now there has to be some thing wrong either I am wrong or the book is wrong .
Source : Kaplan .
I agree with you that answer should be 7(7^b) and I too got the same answer .
But it says option B is correct which is 7^(b-1) .
Now there has to be some thing wrong either I am wrong or the book is wrong .
Source : Kaplan .
"Know thyself" and "Nothing in excess"
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sumanr84
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You are right..Don't worry abt junk answer.( misprinted "-" in place of "+")rockeyb wrote:Guys ,
I agree with you that answer should be 7(7^b) and I too got the same answer .
But it says option B is correct which is 7^(b-1) .
Now there has to be some thing wrong either I am wrong or the book is wrong .
Source : Kaplan .
I am on a break !!
