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a^b=5 where b is positive integer
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24 May 2024, 00:07
24 May 2024, 00:07
1
Expert Reply
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Question Stats:
61% (01:11) correct
38% (01:01) wrong based on 21 sessions
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\(a^b=5\) where b is a positive integer
Quantity A |
Quantity B |
\(a\) |
\(2.5\) |
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Shorter GRE - Preparing for the Quantitative Reasoning Measure
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Shorter GRE - Preparing for the Quantitative Reasoning Measure
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a^b=5 where b is positive integer
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24 May 2024, 11:11
24 May 2024, 11:11
3
I'd suggest plugging in a few "easy" values for b, since it can be any positive integer.
If b = 1, then \(a^1 = 5\)
a = 5, which is greater than Quantity B
If b = 2, then \(a^2 = 5\)
a = -√5 or √5 = -2.24 or 2.24, both of which are less than Quantity B
Therefore, the relationship cannot be determined from the info given.
If b = 1, then \(a^1 = 5\)
a = 5, which is greater than Quantity B
If b = 2, then \(a^2 = 5\)
a = -√5 or √5 = -2.24 or 2.24, both of which are less than Quantity B
Therefore, the relationship cannot be determined from the info given.
Re: a^b=5 where b is positive integer
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18 Jul 2024, 01:05
18 Jul 2024, 01:05
1
Another tricky question Thanks 
