19 is you awnser since:
By order of operations first do the exponent and then do the multiplication and finally the subtraction
3 to the third is 27
4 times 2 is 8
so 27-8 is 19
3 to the(3)-(4)(2)
27-(4)(2)
27-8
19 is your answer
The answer is the polygon have 24 sides.
Solution is shown step by step: Let c be the 15 degrees.
1. C = 360 divided by n
2. 15 = 360 divided by n
3. then transpose n to the other side
15n = 360
4. divide both sides by 15
n = 360 divided by 15
5. n = 24
The answer to your problem is solved when you make both denominators equal and if you multiply 10 by 9 you get 90 which you means you need to multiply 3 by 9 and you get 27 so n=27.
Hope I helped.
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