Answer:
Step-by-step explanation:
Answer:
x=(log(5/4))/(log(4))
Step-by-step explanation:
C. 9^4
when dividing with exponents, i usually just look at the exponents and subract them so i did 12-8 for this problem
Answer:
B
Step-by-step explanation:
The answer is B. 120
nCr = n! / ((r! * (n - r)!)
n = 10
r = 3
10C3 = 10! / ((3! * (10 - 3)!)
= 10! / ((3! * 7!)
= (10 * 9 * 8 * 7 * 6 * 5 * 4 * 3 * 2 * 1) / (3 * 2 * 1 * 7 * 6 * 5 * 4 * 3 * 2 * 1)
= 3628800 / 30240
= 120