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Answer :

Answer:

[tex]a_5=25.3125[/tex]

Step-by-step explanation:

substitute n = 5 into the equation:

[tex]a_5=5(1.5)^{5-1}\\a_5=5 \times1.5^4\\a_5=5 \times 5.0625\\a_5=25.3125[/tex]