Find all School-related info fast with the new School-Specific MBA Forum

 It is currently 26 Aug 2016, 22:55

### GMAT 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

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

# Events & Promotions

###### Events & Promotions in June
Open Detailed Calendar

# Units Digit Number Properties & Exponents

Author Message
TAGS:

### Hide Tags

Current Student
Joined: 24 Nov 2013
Posts: 22
Location: United States
GMAT 1: 720 Q46 V42
GPA: 3.7
WE: Corporate Finance (Journalism and Publishing)
Followers: 0

Kudos [?]: 13 [1] , given: 1

Units Digit Number Properties & Exponents [#permalink]

### Show Tags

06 Apr 2014, 07:24
1
KUDOS
Hi all,

I was working through one of the MGMAT advanced problem set problem and came across yet another problem which could be quickly solved by recognizing that the units digit would follow a repeating pattern when raised to consecutive integer exponents. As I had seen this several other times, I decided to make a spreadsheet to test different combinations. I found that not only did every integer follow a pattern between 1 repeating and 4 repeating, but there were several other interesting patterns as well. I have included my findings below.
Attachments

Units Digits.png [ 45.37 KiB | Viewed 1290 times ]

Intern
Joined: 22 Nov 2012
Posts: 16
Location: United States
Concentration: Statistics, Technology
WE: Information Technology (Consumer Products)
Followers: 0

Kudos [?]: 6 [0], given: 13

Re: Units Digit Number Properties & Exponents [#permalink]

### Show Tags

08 Apr 2014, 05:06
Great post! Certainty some fascinating and useful information.
Re: Units Digit Number Properties & Exponents   [#permalink] 08 Apr 2014, 05:06
Similar topics Replies Last post
Similar
Topics:
23 Units digits, exponents, remainders problems 2 09 Mar 2014, 11:56
NEW!!! Units digits, exponents, remainders problems 0 28 May 2014, 04:22
6 To find the units digit of a large number? 7 03 Jul 2013, 22:58
number properties 6 01 Apr 2011, 01:02
2 If (1/5)^m * (1/4)^18 = 1/(2(10)^35), then m = ? 14 16 Apr 2010, 18:41
Display posts from previous: Sort by