Answer:
6
Step-by-step explanation:
1.8 divided by 0.3 = 6
6 x 0.3 = 1.8
Using exponential function concepts, it is found that it represents a decay of 0.9%.
<h3>What is an exponential function?</h3>
A decaying exponential function is <em>modeled </em>by:

In which:
- A(0) is the initial value.
- r is the decay rate, as a decimal.
In this problem, the function is:

Hence:


Thus, it represents a decay of 0.9%.
You can learn more about exponential function concepts at brainly.com/question/25537936
Answer:
9:3 or 9 to 3
Step-by-step explanation: