3 to the power of 5 to the power of 2-3 to the power of 0 is 9 because 3 to the power of 0 is one and 2 minus one is one and 2 to the power of one is two and 3 to the power of 2 is 9
2⅔ to a decimal is 2.66.
2.66 * 2.5 = 6.65
6.65 is nearly 6.66 which is 6⅔, so the answer is 6⅔.
The formula is 2n-5(90). If you have any questions based on finding angles for polygons, feel free to ask it and I'll answer them for you.
