There are 10 digits possible for each of the 4 places .
So the number of digits possible is 10^4 = 10,000
Answer:
a line segment is a part of a line that is bounded by two distinct end points, and contains every point on the line between its endpoints
Step-by-step explanation:
Answer: 12n - 20
Step-by-step explanation:
Answer: the first and second choice
Step-by-step explanation: