I have the same problem. Shouldn’t the ratio be (2/3)^8? In the problem, both sequences start with 1A48EF776-11FE-480A-8794-7E0CCFA03A04.jpeg
In the solution, however it is clear that the sequences start with 2 and 3 respectively09DAAA46-3697-4691-B2C8-E9B2BC84405E.jpeg

@energizedpanda Yeah, you're absolutely right! It needs to specify that 1 is the 0th term in order for (3/2)^9 to be correct. I'll go ahead and report that now!

@The-Blade-Dancer .........because it's wrong!!! .... and because you're brilliantly perceptive!! 🙂 Thank you so much! I've just fixed it. 🔧 🔧 🔧