Answered

Suriin ang IDNStudy.com para sa mabilis na mga solusyon sa iyong mga problema. Magtanong at makakuha ng detalyadong sagot mula sa aming komunidad ng mga eksperto.

how many 3-digit numbers can you make using the digits:2,4,and

0?use each digit no more than once in each number.


Sagot :

2, 4, and 0?

Those are starting on 2-
204
240

Those are starting on 4
420
402

Those are starting on 0 (this is not a 3-digit number, but 2 digit number so not considered)
024
042

So totally, we have 4.

Simpler Solution:
2 (2 and 4) x 3 (3 digit numbers) - 2 (0)
6 - 2
4

and those are: 204, 240, 420, and 402.