Aprox 14.663
now i need to fill this to 20 letters
hey how ya doin
i thing this is enough
Answer:

Step-by-step explanation:
As we can see the given expression as three complex parts and all are being multiplied.
Lets simplify each part separately and then multiply all of them in the end
Part1
Cancelling 8 in numerator with 8 in denominator



Part2

simpliying



Part3
Third part is
, and it does not need to be further simplified
Now multiplying all the three parts





So our final answer is 
##
##
##
##
##
each number sign is a flower. he planted 10 flowers.
The new surface area will be 9 times the old surface area.
So A or #1