If a_1=4a 1

=4 and a_n=-4a_{n-1}a
n

=−4a
n−1

then find the value of a_5a
5
Please give a correct answer. I have been working on this for over 2 hours on delta math. Please help

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Marion has a bicycle that she is planning to take for a ride. the rim of the rear wheel lies 41 cm from the center of the wheel. the tire itself has a thickness of 3 cm. in order for marion to ride her bicycle 96,712 cm approximately how many rotations will the rear wheel make?