Question 7
Given a sequence of numbers
4, 8, 12, 16, ...
What is the 21st number in this sequence?
A. \(\text{\$20}\)
B. \(\text{\$30}\)
C. \(\text{\$40}\)
D. \(\text{\$50}\)
E. \(\text{\$120}\)
Self-study input instruction (editorial): the printed choices above do not include the term under the intended constant +4 rule. Enter the numerical 21st term instead.
4, 8, 12, 16, ...
What is the 21st number in this sequence?
A. \(\text{\$20}\)
B. \(\text{\$30}\)
C. \(\text{\$40}\)
D. \(\text{\$50}\)
E. \(\text{\$120}\)
Self-study input instruction (editorial): the printed choices above do not include the term under the intended constant +4 rule. Enter the numerical 21st term instead.