the average of numbers 0.64205 , 0.64203 , 0.64202 and 0.64201 is ?
"answer average = ( 0.64205 + 0.64203 + 0.64202 + 0.64201 ) / 4 = 2.56811 / 4 = 0.642028 correct option : d"
divide(add(multiply(0.64205, 0.64203), multiply(0.64205, 0.64202)), 0.64205)