What is the fourth number in this pattern, and what is the rule?
![What is the fourth number in this pattern and what is the rule class=](https://us-static.z-dn.net/files/d2f/467269602b358f8f020f2295e4cd0054.png)
To find the common difference (rate or slope) we can divide the 2nd term to the 1st term.
54.2 / 5.42 = 10 (rule)
Since the common difference is the same throughout the sequence, we can name this as a "arithmetic sequence".
We can multiply 10 to 542 to find the 4th term: 542 * 10 = 5,420
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