1. Consider the arithmetic sequence 5,8,11,..... (answer with full steps) a) What is the common difference? b) What is the difference between its 10th and 18th terms? c) Is 100 a term of this sequence? Why? d) What is the 21st term of this sequence?
Answers & Comments
Answer:
a) common difference 8-5=11-8=3
b) 18th term=56
10th term=32
18th-10th=56-32=24