There's 9 choices for the first digit and 4 choices for the last digit. The number of choices for the 2nd and 3rd digits is 90 if 2 numbers are different. or 100 if duplicates are allowed.
If duplicates are allowed the answer is 9 * 100 * 4 = 3600 possible numbers.
Answer:
brbtbrbjrffkfkfkrktkrjj4j4b5b5b5bbtbtvthttht
Answer:
78.625
Step-by-step explanation:
Answer:
See explanation below
Step-by-step explanation:
x = 16sin49° = 12.1
y = 16cos49° = 10.5
