<h2>
Answer:</h2>
.
<h2>
Step-by-step explanation:</h2>
<h3>1. Write the expression.</h3>

<h3>2. Solve the equation for n.</h3>

----> Multiply both sides by 10.
----> Simplify.
----> Solve the fraction product.
----> Simplify.
----> Simplify by dividing the numerator and denominator by the same number.
----> Simplify.
----> Reorganize.
.
<h3>3. Express your result.</h3>
.
<em>Note. </em><em>Check the attched image to see the manual solution of the equation. We took the same steps I explained previously in the manual solution.</em>
Answer:
The real answer is:
3x^2 -6x+3x-6
Step-by-step explanation:
Let a₁ = the first term.
Because each previous term is 1/5 of the value of the current term, the geometric sequence is
a₁, 5a₁, 25a₁, ...,
The common ratio is r = 5.
The n-th term is

The fifth term is 781.25. Therefore
a₁*5⁴ = 781.25
625a₁ = 781.25
a₁ = 1.25
Answer:
The recursive formula is