Question

Use the interative rule to find the 5th term of the sequence
an = 3•4n-1
a5 =??????

PLEASE HELP

Answer 1

♡★♡★♡★♡Welcome to OpenStudy! ♡★♡★♡★♡Please, don′t hesitate to ask questions!We′re here to help!⌣¨

Answer 2

Yep ill help you

Answer 3

hey guys.

Answer 4

Pleaseee help me

Answer 5

what is it?

Answer 6

oh.

Answer 7

Please revoke the medal.

Answer 8

someone please help me with my question

Answer 9

I have been stuck on it for hours

Answer 10

You need to insert 5, instead of n. \[a_n=3*4n-1\] \[a_5=3*4*5-1=?\]

Answer 11

What does it equal?

Answer 12

the question is \[\rm a_n=3*4^{n-1}\] right ?
where n= number of a term we need
like to find 2nd term replace n with 2
to find 8th term replace n with 8

Answer 13

wait then what do i do with the -1 ?

Answer 14

to find 5th term replace n with what ????

Answer 15

So after i replace the n with a 5 what do i do ?

Answer 16

Do i subtract 5-1?

Answer 17

correct!

Answer 18

After that?

Answer 19

5-1 =4
so now simplify \[a_5=3*4^4\]

Answer 20

a5 = 48??

Answer 21

so i multiply 3 • 16??

Answer 22

well what's the question is it 4 to the (n-1) power ???
if yes then no 48 isn't correct

Answer 23

then do i multiply 4•4•4•4 ??????

Answer 24

correct the exponent represent how many times we should multiply the base by itself

Answer 25

Then when i get that answer i multiply it by 3?

Answer 26

I got 3•256 = 768
SO A5=768?????

Answer 27

Hello?

Answer 28

I just want to make sure

Answer 29

yes that's correct .
and sorry for late reply