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
His elevation is higher than 1600, where there is less oxygen and, air which technically contains oxygen, and the fact that elevation means going “up”.
The shape would be exactly the same because any number multiplied by 1 equals itself.
6,782 is the nearest root.
The nearest integer would be 7.
I really hope this helped you! c: