Question

the mean proportion of 0.4 and 8.1 is?​

Answer 1

Step-by-step explanation:

(0.4+8.1)/2

8.5/2

4.25

Answer 2

Answer:    1.8  other answer is wrong

Step-by-step explanation:

Let mean proportional be x

0.4 : x : : x : 8.1

0.4/x = x/8.1

x²= 8.1 x 0.4= 3.24

x = 1.8