Chat with our AI personalities
Yes, but it's the first 4 digits, not the last 4.
Assuming the the last part of the question is that the sequence may not END in 000, there are 2997 sequences.
No. A triangle has 3 sides, a rhombus has 4 and the last time I checked, 3 was different from 4!
There are 900 of them.
10,000