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Mathematics 19 Online
OpenStudy (anonymous):

Find the 7th term of a geometric sequence with t1 = 6 and r = 4.

OpenStudy (amistre64):

\[t_n=t_1*r^{(n-1)}\]

OpenStudy (amistre64):

you want this when n=7

OpenStudy (anonymous):

the choices are 24,576 30,156 93,546 147,456

OpenStudy (amistre64):

then fill in the pieces and see what matches :/

OpenStudy (anonymous):

A?

OpenStudy (amistre64):

looks good to me

OpenStudy (amistre64):

was that a guess or you just unsure about your mathing abilities :)

OpenStudy (anonymous):

sure

OpenStudy (anonymous):

is it correct?

OpenStudy (amistre64):

what is 4^6 equal?

OpenStudy (anonymous):

28

OpenStudy (amistre64):

4^6 = 4096 multiply that by 6 and we get A

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