Question

answer fast friends......​

Answer 1

Answer:

1.7

Step-by-step explanation:

mean =(no.1+no.2)/2

=(0.9+2.5)/2

=3.4/2

=1.7

Answer 2

Mean Proportional of a and b =√ab

Mean Proportional = √(0.9×2.5)

= (3×5)/10= 1.5

Hope this is helpful to you...

Pls mark as brainliest....

Also follow me...