Arecursive rule for a geometric sequence is a1=4/9; an=3an−1. what is the explicit rule for this sequence? enter your answer in the box. an=

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.