iris2792 iris2792

21-04-2021
Mathematics

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The first term of a geometric sequence is 5 and the common ratio is 2. What is the 4th term of the sequence?

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unicorn3125 unicorn3125

21-04-2021

Answer:

80

Step-by-step explanation:

[tex]a_n=a_1\cdot r^{n-1}\\\\a_1=5\\r=2\\n=4\\\\a_4=5\cdot2^4=5\cdot16=80[/tex]

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