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Write an algebraic expression to descibe the nth term in each row

1 1 1 1 1 1 1
- - - - - - -
4 16 64 256 512 2048 8192

/ \ / \ / \ / \ / \ / \ /

5 5 5 5 5 5
- - - - - -
16 64 256 512 2048 8192

Sorry if it isnt accurate enough.. but it's the idea that counts :P HELP ASAP

1 answer

Note that each term is 1/4 the previous one.

Tn = (1/4)^n or 1/4^n

On the next, it's the same ratio, but T1 = 5/16

Tn = (5/4)*1/4^n
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