Find the mean proportional between 0.64 and 0.81.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. 0.72.
Calculations:
Numbers = 0.64 and 0.81
Mean proportional = √(a × b)
Mean proportional = √(0.64 × 0.81) = √0.5184 = 0.72