3 years ago

Find the 6th term in the sequence 5, 20, 80

2 answers:

7 0

Well the sequence is each number is multiplied by 4. 5*4=20. 20*4=80. 80*4=320. 320*4=1280. 1280*4=5120. The sixth term is 5120.

dmitriy555 [2]3 years ago

5 0

Answer:5120

Step-by-step explanation:

a=5 r=80÷20 r=4

Using the formula

Tn=a×r^(n-1)

Therefore 6th term=5×4^(6-1)

6th term=5×4^5

6th term=5×4×4×4×4×4

6th term=5120

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