Question

What does the 20 in 20TiO2 mean?

Answer 1

Answer:

Let a,A

1

,A

2

....A

g

,bϵA.P.

where a=2,b=20,n=8

Therefore, sum of the means =

2

n

(a+b)=

2

8

(2+20)=88

Answer 2

Answer: direction according to me