Try another version of this question Box 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
Box 2: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Given the geometric sequence:
`28,\frac(280)(3),\frac(2800)(9), \ldots `
Find an explicit formula for `a_n`:
`a_n = `
Find `a_(6): `
Be sure your variables match those in the question `28*(3.3333333333333^(n-1))`
Enter DNE for Does Not Exist, oo for Infinity 11522.633744856