Answer:
1
Step-by-step explanation:
Anything raised to the power of 0 is 1
Round to the what? Tenths? Hundredths? Thousandths?
Tenths: 270735. 8
Hundredths: 270736.84
Thousandths: 270735.836
The given formula 
Solve for y means we have to make y alone
\\
Add -10 on both sides, we get

As there is multiplication sign between r and y so to solve for y, divide both side by r
