Is 400000 the 4 does it have the hundredth value

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i

Pls what is the relative minimum of the function? enter your answer in the box