Answer:
Both, you and your friend, are correct.
Step-by-step explanation:
5 P 5 = 5!
A shortcut I learned is that in the permutation equation nPn when n is the same on both sides, it is equal to if you used factorial, n!.
Answer:
7610 m
Step-by-step explanation:
600m = 600m
7km = 7000m
1000cm = 10m
The required distance = 600 + 7000 + 10 = 7610 m
Answer:
Step-by-step explanation:0.04
You subtract 5 from both sides to get n=8
Answer:
s = 33
Step-by-step explanation:
99=3s
(99/3) = s
s=33
