Answer 
Step-by-step explanation:
Use order of operations and evaluate the exponent first




I need the model and the rest of the question to help you ;-;
Answer:
127 degrees
Step-by-step explanation:
540 degrees is what the interior of a pentagon should add up to. So you do 540-156-72-98-87=127. The measure of the final interior angle is 127 degrees.
<u>Question</u> : 8

<u>Question</u> : 9
<u>Question</u> : 11
<u>Question</u> : 12
Solution is in attachment ~