A geometric sequence has a common ratio, in this case r = 0.1. The formula for the n term is aₙ = arⁿ⁻¹. where aₙ is the term of the sequence, a first term of the seuqence and r the commun ratio. So, aₙ = arⁿ⁻¹
a⁸ = (1,000,000) (0.1) ⁸⁻¹
a⁸ = (1,000,000) (0.1)⁷
a⁸ = 0.1
