Answer:
142.5
Explanation:
g = 0.6
First plug in the value of g, which is 0.6, into the problem⤵⤵⤵
400(0.6)^2 - 0.9 ÷ (0.6)
Remember PEMDAS
First off 0.6^2 is the same as 0.6 × 0.6 which is 0.36 .
Next multiply 400 and 0.36 to get 144 .
Then divide 0.9 by 0.6 to get 1.5 .
Lastly subtract 1.5 from 144 to get 142.5 .
This took me a while, because I was confusing myself a little, but I finally got it done. Here you go, hope this helps :)