Answer:
I think the answer is...
13/20
Step-by-step explanation:
The product is equal to:

<h3>
How to solve the product?</h3>
Remember that we can write a complex number in polar form as:

Then the given product:

can be rewritten to:

Now is easier to solve the product:

If you want to learn more about complex numbers:
brainly.com/question/10662770
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Answer:
22
Step-by-step explanation:
Answer: the average of 3 and 15 is 9
Step-by-step explanation: