Question and answer
HOW TO CALCULATE THE NUMBER OF VARIATIONS IN A 4-DIGIT NUMBER
Start by writing down all the possibilities for the first digit. They are 0 1 2 Use each of these as a base for a two digit number. [ From each of the one digit numbers you can construct 3, two digit number, they are 00 01 02 10 11 12 20 21 22 Hence there are 3 3 = 9, two digit numbers. Use each of these as a base for a three digit number.
From each of the two digit numbers you can construct 3, three digit number, they are 000 001 002 010 011 012 020 021 022 100 101 102 110 111 112 120 121 122 200 201 202 210 211 212 220 221 222 Hence there are 3 3 3 = 27, three digit numbers. Use each of these as a base for a four digit number. From each of the three digit numbers you can construct 3, four digit number. there are 3 3 3 3 = 81, four digit numbers. ]
Expert answered|cowgirljess|Points 101|
Question
Asked 3/25/2010 2:51:37 PM
0 Answers/Comments
Get an answer
New answers
Rating

There are no new answers.

Comments

There are no comments.

Add an answer or comment
Log in or sign up first.
20,578,874 questions answered
Popular Conversations
what is 1 - 100
Weegy: 4(3)^2 - 10(2) = 4(9) - 20; = 36 - 20; = 16 User: what is 1 + 1 Weegy: "What" is used with a noun in ...
4/25/2015 11:26:02 AM| 3 Answers
Which of the following best describes ...
Weegy: The ability to be hammered thin best describes malleability. User: Which of the following is always true ...
4/25/2015 5:51:30 AM| 2 Answers
Which word in the sentence functions as an objective complement? The ...
Weegy: An objective complement is a noun, adjective, or pronoun serving as a complement to a verb and qualifying its ...
4/25/2015 3:38:07 PM| 2 Answers
-12 + 7 + (-1) = User: 19 + (-27) =
4/25/2015 5:32:17 PM| 2 Answers
The Indo-European languages are believed to have originated ...
Weegy: Indo-European languages originated 7,800 to 9,800 years ago in Anatolia present day Turkey. [ The Indo-European ...
4/26/2015 10:36:09 AM| 2 Answers
Which of the following is the least important factor of a personal ...
Weegy: The time of day physical activity will be performed is the least important factor of a personal fitness program. ...
4/25/2015 12:05:36 AM| 1 Answers
Nutritional labels list only healthy nutrients.
4/25/2015 12:12:38 AM| 1 Answers
Weegy Stuff
S
L
Points 712 [Total 2289]| Ratings 1| Comments 702| Invitations 0|Offline
S
L
Points 633 [Total 1200]| Ratings 2| Comments 613| Invitations 0|Offline
S
P
C
L
P
L
1
P
P
1
Points 432 [Total 8309]| Ratings 3| Comments 402| Invitations 0|Offline
S
Points 418 [Total 418]| Ratings 0| Comments 418| Invitations 0|Offline
S
Points 210 [Total 210]| Ratings 1| Comments 200| Invitations 0|Offline
S
Points 197 [Total 197]| Ratings 2| Comments 177| Invitations 0|Offline
S
1
L
L
Points 172 [Total 8166]| Ratings 0| Comments 172| Invitations 0|Offline
S
L
1
R
Points 128 [Total 1200]| Ratings 1| Comments 118| Invitations 0|Offline
S
L
Points 124 [Total 3727]| Ratings 0| Comments 124| Invitations 0|Offline
S
1
L
1
Points 43 [Total 3484]| Ratings 1| Comments 33| Invitations 0|Offline
Home | Contact | Blog | About | Terms | Privacy | Social | ©2015 Purple Inc.