19. Allie takes 112.12 minutes to swim 2.4 miles, 401 minutes to bike 112 miles, and 642.9 minutes to run 26.2 miles. Which shows her total time with the correct
number of significant digits?

Because there is no air in the jar, the vibrations can not travel through the air and create sound.  (that's why there is no sound in space, there is no air)

Following the american gauge wire standards ,the larger gauge number, the slimmer the wire and thus the smaller current carrying capacity it can have.then both statements would be incorrect, as they are saying the opposite of what it is actually is.(smaller gauge numbers have thicker wires and can carry more current)