Question 1155412
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y = 2*10^(t/12) = 2 * (10^(1/12))^t.


I hope you do understand this identity and do unferstand why it is valid.


Next step  10^(1/12) = 1.2115 = 1 + 0.2115.


Therefore  y = 2*(1+0.2115)^t  is that form you are looking for.
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Solved, answered and explained.