Aaron's plane flew 3.21 meters further than Noah's plane.
Step-by-step explanation
Aaron's plane flew 4 meters and Noah's plane flew 79 centimeters.
So, first we need to convert 79 centimeters into meters.
We know that, 1 centimeter = 0.01 meter
So, 79 centimeters =

Now, the difference of distance between Aaron's plane and Noah's plane is
