What is the decimal multiplier to decrease by 60%?

Aparking lot is to be 400 feet wide and 370 feet deep. how many standard-sized cars fit in this lot considering a double-loaded (w4) two way traffic set up, an angle of 90° and a sw of 9’ 0’’? (do not consider handicapped parking spaces, and consider 15’ for turning aisles). show your work.

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?