Geometric progression 2

There is geometric sequence with a1=5.7 and quotient q=-2.5. Calculate a17.

Result

a17 =  13271346.69

Solution:

a17=5.7(2.5)17113271346.69a_{ 17} = 5.7 \cdot (-2.5)^{ 17-1} \doteq 13271346.69







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