Answer:
The 4th term in the sequence is -8.
Step-by-step explanation:
The nth term of the sequence B is given by:

So the fourth term will be given by:
B when n = 4, that is, B(4).

The 4th term in the sequence is -8.
Answer:
15 cm
Step-by-step explanation:
Median means middle number
10,15,15,18,20
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