Answer:
Step-by-step explanation:
12P3 = 12! / (12-3)!
= 12*11*10
= 1320.
8C7 = 8!/7! *(8-7)!
= 8.
Answer:
2401
Step-by-step explanation:
because 7*7*7*7=2401
Answer:
The sum is

Step-by-step explanation:
Assuming we are finding the sum of :
3e + 7 - e and 2e + 10 + 2e -3
Then we set up the addition as follows:

We group similar try to get:

We now combine the similar terms to obtain:

Therefore the sum is

Answer:
HUh? LOL
Step-by-step explanation: