Answer: 1. 447
2. 572
3. 257
Step-by-step explanation:
hi
I Don't know
sorry
I will try to say next time
1st digit: 9 possibilities (can’t have 0)
2nd digit: 10 possibilities
3rd digit:10
4th digit:10
5th digit:10
6th digit: 4 possibilities (it can only be even)
9•10•10•10•10•4 =360,000 possibilities