GRE Prep Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
20^7
[#permalink]
15 May 2018, 16:17
15 May 2018, 16:17
Expert Reply
00:00
Question Stats:
80% (00:20) correct
20% (00:17) wrong based on 35 sessions
Hide Show timer Statistics
Quantity A |
Quantity B |
\(20^{7}\) |
\((\frac{4^{13}}{4^6})^(5^4 \times 5^3)\) |
A. Quantity A is greater.
B. Quantity B is greater.
C. The two quantities are equal.
D. The relationship cannot be determined from the information given.
Re: compare exponents
[#permalink]
16 May 2018, 01:40
16 May 2018, 01:40
1
simplify qty B:
\(\frac{4^13}{4^6}\) can be expressed as \(4^7\)
and \(5^4 * 5^3\) can be expressed as \(5^7\)
Hence qty B = \(4^7 * 5^7\) = \((4*5)^7\) = \(20^7\)
qty A = qty B
option c
\(\frac{4^13}{4^6}\) can be expressed as \(4^7\)
and \(5^4 * 5^3\) can be expressed as \(5^7\)
Hence qty B = \(4^7 * 5^7\) = \((4*5)^7\) = \(20^7\)
qty A = qty B
option c
gmatclubot
Re: compare exponents [#permalink]
16 May 2018, 01:40
Moderators:
