Answer:

Step-by-step explanation:

Rule of exponents
, 
=> 
=> 
Combining same bases
=> 
When bases are same , powers are to be added
=> 
=> 
=> 
=> 
=> 9
Use that math app where you take pictures of the problem and it gives you the answers and all the work to solve it.
Answer: 3 good luck
Step-by-step explanation:
Answer:
420 ft^2
Step-by-step explanation:
12x70=840
840/2=420
Answer:
A(t) = 1.032^t
Ring rate grows faster
Annual rate of ring: 4.03%
Step-by-step explanation:
A(t) = (1 + 3.2%)^t
A(t) = (1.032)^t
Ring:
(1 + 0.33%)^(12t)
(1 + 0.0033)^(12t)
(1.0033¹²)^t
1.040326705^t
Increase of (1.040326705 - 1) × 100
= 4.0326705%
Faster rate: ring