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

User Ravinder
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2 Answers

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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.
User Angus Forbes
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3.4k points
0 votes

Answer:5120

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

User David Clarke
by
3.2k points
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