What is the next term? 12, 7, 2...

What is the next term? 7, 28, 112, ...

Find the equation: 12, 7, 2...

Find the 105th term of [3]

Find the equation: 7, 28, 112, ...

Find the 10th term of [5].

Find the equation: 7, -21, 63, ...

Find the 11th term of [7].

Find the equation: -30,-26, -22, ...

Find the 50th term of [9].

Find the equation: 20,10, 5, ...

Find the 15th term of [11]. (write your answer as a fraction)

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Now, write an equation for the sequence.

How much rice would the king owe on the 64th square?

(use scientific notation, with 3 sig figs)

Bonus: What is payasam? How much rice does one serving take? How long will it take the king to pay his dept?