The answer is: A
A decagon is a 10-sided polygon, with 10 interior angles, and 10 vertices which is where the sides meet. A regular decagon has 10 equal-length sides and equal-measure interior angles. Each angle measures 144°
No because she runs up yes but she also ran down witch means she went exactly 0

1) first do the integer part
2) then do the exponent part

= ???
3) Once you do the first two steps... adjust your answer to scientific notation...
Answer:B
Step-by-step explanation:because it will give you more information and the more information you have the more likely you would get it correct.