You want to multiply together the number of possible choices for each digit in the code.
0-9 is ten possible numbers, since repetitions are allowed (example code 2,2,2,2) there are ten possible choices per digit in the code.
10*10*10*10 = 10,000 four digit coded possible
Answer:
it might be 390
Step-by-step explanation:
hope this helps
Answer:
Vertex is (3, 256)
Step-by-step explanation:
The vertex means that at 3 seconds, the highest point the ball will reach is 256 units in the air.
23000 which is it in scientific notation