What digit is in the tenths place in this number? 904.18

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way