BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

then w – k =

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
User avatar
GMAT Instructor
Posts: 3650
Joined: Wed Jan 21, 2009 4:27 am
Location: India
Thanked: 267 times
Followed by:80 members
GMAT Score:760

then w – k =

by sanju09 » Tue Sep 14, 2010 5:33 am
If [0.063 × 10^w]/ [0.0007 × 10^k] = 9 × 10^5, then w - k =
(A) 3
(B) 4
(C) 5
(D) 6
(E) 7



[spoiler]Source: https://readyforgmat.com[/spoiler]
The mind is everything. What you think you become. -Lord Buddha



Sanjeev K Saxena
Quantitative Instructor
The Princeton Review - Manya Abroad
Lucknow-226001

www.manyagroup.com
Top
Source: — Problem Solving |
User avatar
Legendary Member
Posts: 1460
Joined: Tue Dec 29, 2009 1:28 am
Thanked: 135 times
Followed by:7 members

by selango » Tue Sep 14, 2010 5:43 am
[0.063 X 10^w]/ [0.0007 X 10^k] = 9 X 10^5

63*10^w/10^3 / 7*10^k/10^4=9*10^5

9*10^w-k+1=9*10^5

w-k+1=5-->w-k=4

Pick B
--Anand--
Top
Post new topic Post Reply
• Page 1 of 1