Answer:
I want to help you but I'm trying to sign into to brainy and I have to answer someone, sorry for being a noucance
A is your answer tell me if I am wrong.
We have an arithmetic sequence with
<span>a0 = 1st 3-digit number divisible by 13 </span>
<span>a0 = 104 </span>
<span>d = 13 (why?) </span>
<span>last term is largest divisible by 13 = 988 </span>
<span>how many terms? (988-104)/13 + 1 = 69 </span>
<span>S = 69/2(104+988) = 37674</span>
Answer:
- first option is incorrect
- second option is correct
- third option is correct
- fourth option is correct
Step-by-step explanation:
grammarly xoxo
