Answer:
F = 63
Step-by-step explanation:
28/44 = F/99
28/44 x 99 = F
F = 63
set them equal to their sum. which in this case is 141 then solve for x and plug it into your original equation to get your answer.
Use BODMAS or BIDMAS (Brackets, over Indices, Division, Multiplication, Addition, the Subtraction, this tells you which order to do things in)
As you cant do √10 in the brackets you do the indices, so (√10)³
Split this up to make it easier
(√10)³= √10 x √10 x √10 = 10√10
You the multiply this by 9
9 x 10√10 = 90√10
then multiply by 5
5 x 90√10 = 450√10 = 1423.024947 (using calculator)