Answer:
a₁ = 7
r = 3
a_n = a_1(rⁿ⁻¹)
a₁₀ = 7(3¹⁰⁻¹
a₁₀ = 7(3⁹)
a₁₀ = 7(19683)
a₁₀ = 137 781
Step-by-step explanation: