Answer:
ytyu
Step-by-step explanation:
Answer:110
Step-by-step explanation:
its right i know
(40-12)(4·4)
(28)(16)
answer :448
Answer:C
Step-by-step explanation:
Tan A
Answer:

The value of r is 0.451
The percentage decrease is about 45.1%
Step-by-step explanation:
The given exponential function is 
Using the exponent rule, 

Now the value of 
Thus, we can rewrite the function as

Therefore, the function in form 

The value of r is 0.451
The percentage decrease is about 0.451 ×100 = 45.1%