Problem of the Week- How Many Ways?
Uncategorized April 30th, 2007How many different 4-digit numbers are there that use each of the digits 7,8,9, and 0 ?
List them.
How many different 4-digit numbers are there that use each of the digits 7,8,9, and 0 ?
List them.
April 30th, 2007 at 9:57 am
There are 18 different ways:
7890
7980
7098
7089
7908
7809
8709
8907
8079
8097
8790
8970
9078
9708
9807
9780
9087
9870
April 30th, 2007 at 9:58 am
I have found 18 ways.
7890
7809
7908
7098
7089
9807
9708
9870
9780
9087
9078
8790
8970
8097
8079
8709
8907
April 30th, 2007 at 10:04 am
I think there are 18 different was.
1.7,089 2.7,098 3.7,809 4.7,890 5.7,908 6.7,980 7.8,709 8.8,079 9.8,097 10.8,709 11.8,907 12.8,970 13.9.078 14.9,087 15.9,708 16.9,780 17.9,807 18.9,870
April 30th, 2007 at 10:05 am
There are 18 ways.
7890
7980
7908
7809
9780
9870
9087
9807
8970
8790
8709
8907
8079
9078
7098
9078
8078
7098
April 30th, 2007 at 10:06 am
I have found eight ways.
9870 ,9078, 7089, 7890,7980,8790, 8970, 9780
April 30th, 2007 at 10:14 am
There are 14 ways.
9870
7089
8907
8090
9078
9087
7908
9708
8790
7890
9807
8970
9870
9780
April 30th, 2007 at 10:28 am
I have 12 4-digit numbers that use 7,8,9 and 0
7,890 7,089 9,087
7,980 7,098
7,980 8,079
8,790 8,097
8,970 9,087
9,870 9,078
9,780
April 30th, 2007 at 11:38 am
There are 18 ways.
7,890
8,970
7,908
9,807
9,708
8,907
8,709
7,098
9,087
9,078
8,079
8,097
8,790
9,870
9,780
9,807
9.708
April 30th, 2007 at 3:30 pm
GOOD JOB JORDAN!!!!!!WITH THE BIG NUMBERS!!!!!
April 30th, 2007 at 3:31 pm
Good job and it was really fun making them and reading them.
April 30th, 2007 at 3:31 pm
Im just trying to see if it works.
April 30th, 2007 at 3:33 pm
Next time Mrs.Martin I think you should make an easier one. This one was hard.