What is the relationship between 5.39x10^2 and 5.39x10^-2? select from the drop-down menus to correctly complete the statement. 5.39x10^2 is times than 5.39x10^-2. options for first blank . 10,100,1000 or 10,000. options for second blank. greater or lesser

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)