The answer to your questions is 11 because PEMDAS. () exponents multipication division addition and subtraction.
Answer:
fourteen billion seven hundred ninety millio
For this case we must solve the following proportion:

Multiplying by 5 on both sides of the equation we have:

Subtracting 2 from both sides of the equation:

ANswer:

Step 1 distribute the 5 across (8+0.2)
6^3+5(8+0.2)
6^3+40+1
6^3+41 (<em>I simplified the +40 and the +1</em>)
Step 2 take 6 to the power of 3
6^3+41
6x6x6 6x6=36 36x6=216
216+41 (<em>Simplify!</em>)
257
I hope this helped!