How Many Three Digit Whole Numbers Can Be Formed Using 1, 2, 3, And 0 Such That There Are No Digits Repeated?

How many three digit whole numbers can be formed using 1, 2, 3, and 0 such that there are no digits repeated?

Answer:

18 whole numbers

Step-by-step explanation:

How many three digit whole numbers can be formed using 1, 2, 3, and 0 such that there are no digits repeated?

___ ___ ___

1st   2nd  3rd

first digit: you only have 3 choices (1, 2 and 3) since 0 cannot be considered as 1st digit since it will not be considered three digit if 0 is used

2nd digit: you only have 3 choices (0 and two of the remaining digits you have not choose as the first digit)

3rd digit: you only have 2 choices (since you have already chosen 2 numbers for the first and 2nd digit)

= 3 × 3 × 2 = 18 whole numbers


Comments

Popular posts from this blog

What Are The Types Of, Secular Music In The Philippines?

Ano Ang Kakaibahan Ng Weather At Climate

What Do You Mean By Arthropods