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\frac{[fraction]1/1[/fraction]}{[fraction]1/5^{-2}[/fraction
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28 Jun 2019, 07:59
28 Jun 2019, 07:59
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Question Stats:
81% (00:24) correct
18% (00:41) wrong based on 22 sessions
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\(\frac{\frac{1}{1}}{\frac{1}{5^{-2}}}\) is equivalent to :
(A) \(\frac{1}{25}\)
(B) \(\frac{1}{5}\)
(C) 1
(D) 5
(E) 25
Can someone help me to solve this problem. I have attached screen short of question for clear readability. Below I have mentioned my solution which is not matching with answer key. Please let me know where am I wrong.
My solution :
According to my solution correct answer is (A) which is not matching with answer key.
Given expression can be written as : (1/1)/(5^2) = (1/5^2) = 1/25 .
(A) \(\frac{1}{25}\)
(B) \(\frac{1}{5}\)
(C) 1
(D) 5
(E) 25
Can someone help me to solve this problem. I have attached screen short of question for clear readability. Below I have mentioned my solution which is not matching with answer key. Please let me know where am I wrong.
My solution :
According to my solution correct answer is (A) which is not matching with answer key.
Given expression can be written as : (1/1)/(5^2) = (1/5^2) = 1/25 .
Re: Exponents and Roots
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29 Jun 2019, 03:05
29 Jun 2019, 03:05
saurabhhjjain wrote:
Q : (1/1)/(1/5^-2) is equivalent to :
(A) 1/25
(B) 1/5
(C) 1
(D) 5
(E) 25
Can someone help me to solve this problem. I have attached screen short of question for clear readability. Below I have mentioned my solution which is not matching with answer key. Please let me know where am I wrong.
My solution :
According to my solution correct answer is (A) which is not matching with answer key.
Given expression can be written as : (1/1)/(5^2) = (1/5^2) = 1/25 .
ans:E
(A) 1/25
(B) 1/5
(C) 1
(D) 5
(E) 25
Can someone help me to solve this problem. I have attached screen short of question for clear readability. Below I have mentioned my solution which is not matching with answer key. Please let me know where am I wrong.
My solution :
According to my solution correct answer is (A) which is not matching with answer key.
Given expression can be written as : (1/1)/(5^2) = (1/5^2) = 1/25 .
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Joined: 10 Apr 2015
Posts: 6218
Given Kudos: 136
Re: Exponents and Roots
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29 Jun 2019, 05:00
29 Jun 2019, 05:00
2
saurabhhjjain wrote:
Q : (1/1)/(1/5^-2) is equivalent to :
(A) 1/25
(B) 1/5
(C) 1
(D) 5
(E) 25
(A) 1/25
(B) 1/5
(C) 1
(D) 5
(E) 25
\(\frac{\frac{1}{1}}{\frac{1}{5^{-2}}}=\frac{1}{\frac{1}{5^{-2}}}\)
Nice property: \(\frac{1}{\frac{a}{b}}=\frac{b}{a}\)
So, \(\frac{1}{\frac{1}{5^{-2}}}=\frac{5^{-2}}{1}\)
\(=5^{-2}\)
\(=\frac{1}{5^2}\)
\(=\frac{1}{25}\)
Answer: A
Cheers,
Brent
