Dieter’s new pedometer measures distance as he walks. to test the accuracy of the pedometer, dieter walks from school to his favorite restaurant, a trip he knows to be 427.4 meters long. if the reading on the pedometer says that the distance between the two places is 426 meters, what is the percent error? round to the nearest tenth of a percent. a. 0.1% b. 0.3% c. 1.1% d. 1.4%

Brittany has designed four different birdcages, each with the same volume: a square pyramid, a cylinder, a cone, and a sphere. the zoo wants to use one of brittany’s designs but plans to change the volume of the cage. find the design change that would result in the birdcage with the greatest volume. a.) increase the area of the base of the square pyramid by a factor of ten. b.) increase the height of the cylinder by a factor of ten. c.) increase the radius of the cone by a factor of ten. d.) increase the radius of a sphere by a factor of ten.