Answer:

Step-by-step explanation:
Answer:
a₁ = 1
r = 3
Step-by-step explanation:
Since it’s a geometric series then
a₁ = 1 ( because 1 is the first term of the series)
3/1 = 9/3 = 27/9 = 81/27 = 3 then r=3.
Step-by-step explanation:
<u><em>16.1 is the final answer. </em></u>
<em>Product- it's going to be multiply by the numbers only.</em>

<em>You can also round up to the nearest tenths is 16.0</em>
<em>Hope this helps! And thank you for posting your question at here on brainly, and have a great day. -Charlie</em>
Answer:
Step-by-step explanation:
555575;[kmjvgy