The function f(x) = 800(1.09)3x shows the growth due to interest that Jim earns on an investment. The steps to calculate an equivalent function are shown below: [Step 1] f(x) = 800(1.09)3x

[Step 2] f(x) = 800(1.093)x

[Step 3] f(x) = 800(1.09 ⋅ 3)x

[Step 4] f(x) = 800(3.27)x

which of the following steps are incorrect:
There is no mistake
Step 1
Step 2
Step 3
Step 4