Answer:
Pyramid Distribution
Step-by-step explanation:
I don't know the answers but from what I know it has to be pyramid distribution or triangle distribution Hope This Helps!
last one
Step-by-step explanation:
3 1/2
answer is last one
Every number will have only 3 digits. In the ones place, there are 5 choices. For every choice of digit made in the ones place, there are 8 possible choices for the hundreds place (you can choose from 1-9, omitting whatever is used in the ones place), and there are 8 possible choices for the tens place (you can choose from 0-9, omitting whatever has already been used elsewhere).
So there are

such numbers.
Answer:
In that phrase, "unit" means "equal to 1".
Step-by-step explanation:
Hopes this helps.