Follow the order of operations
1. parentheses (13+5) = 18
2. multiplication 21*(13+5) = 21*18 = 378
3. add 9 + 21*(13+5) = 9 + 378 = 387
Hope this helps!
Hello,
f(1)=160
f(2)=160*(-2)
f(3)=160*(-2)²
f(4)=160*(-2)^3=-1280
f(n)=160*(-2)^(n-1)
Answer:
19-44.
Step-by-step explanation:
I simply looked up the answer with a calculator.
2 gallons because 4 ounces are in one gallon in gas
i think
