From right to left
2
20
200
2000
20000
200000
6 times because 6•7=42 so it must be 6 because 7•7=49
Good luck!!
Answer:
B. 1/16
Step-by-step explanation:
f(-4) = 2^(-4) = 1/(2^4) = 1/16
The instructor wants the profit to be positive, so
f(n) > 0
70n -400 > 0
n - 400/70 > 0
n > 5 5/7
The instructor must enroll at least 6 students to make a profit.