B cause 9x10 to the 4 equals 90000 and if u square it, it will give u 300 but the rest is decimals
Assuming the movie screen is rectangular, the answer would be 8 meters tall. Because the perimeter is 2 times width plus 2 times height, you can subtract 36 (18 times 2) from 54. This leaves you with 18, which is 2 times height. Divide both by two and you get 9
That is to take the number rounded to the nearest value to two numbers to the right of the decimal:
5.62
Explanation of what exactly