According to the rules of math: multiplying comes before substraction(minus) so first multiply...
90×35×12455680= 39235392000
then minus 80 from the answer you got from multiplying.
39235392000-80= 39235391920
***use calculator***
No, because x/2 divides x by two, while -2x multiplies x by -2.
Answer:
1.46666666667
Step-by-step explanation:
calculator
Answer:
.
Step-by-step explanation:
We are given that 
and 
(because that's the ground), so substituting that into 
gives .
