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What is the 5th term of the geometric sequence described by an = 5(1.5)n-1? O a5 = 7.59375 O a5 25.3125 O a5 = 5.0625 O a5 = 37.96875
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17 votes
What is the 5th term of the geometric sequence described by an

= 5(1.5)n-1?
O a5 = 7.59375
O a5
25.3125
O a5 = 5.0625
O a5 = 37.96875

What is the 5th term of the geometric sequence described by an = 5(1.5)n-1? O a5 = 7.59375 O-example-1
User Prashanth Chandra
by
7.4k points

1 Answer

10 votes

Answer:


a_5=25.3125

Explanation:

substitute n = 5 into the equation:


a_5=5(1.5)^(5-1)\\a_5=5 *1.5^4\\a_5=5 * 5.0625\\a_5=25.3125

User Ibrahima
by
8.6k points
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