0
Anonymous
47
Micaela Wilkinson ∙
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The difference is 21
Wiki User
It is 21.
-13 + 34 = 21
2.6154
The common difference is 13 because 21-8=13, 34-21=13, and 34-47=13.
21 and 13.. 21-13=8 21+13=34 34/2 = 17,+4 = 21... 34-21 = 13
13