The length of of a rectangle is 10mm and the width is 2.5mm, what is the area

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)