A1 or just a as it is in the equations is just the initial term of the sequence. In this case a1=1
r is the common ratio which is that constant ratio found by dividing any term by the term preceding it...
In this case r=3/1=9/3=27/9=etc=3
So a1=1 and r=3, C. is your answer.
Answer:
its B. 3
^-^
Step-by-step explanation:
The first question is 73 and the second should be 48.88790956083307. I don’t know if you need to round that up, but that’s all you bud. Please make me brainliest it would be pretty cash money of you
The answer of the question is 140.