4 for 16 would be written as 4/16.
Dividing both numbers by 4 it is simplified to 1/4
One expression could be three x to the power of two. Let me know if that's right :)
Answer:
900
Step-by-step explanation:
Sum of interior angle for a polygon = (n-2)180
7 sides
=(7-2)180
=5*180
=900