Question

Use the iterative rule to find the 7th term in the sequence.

an = 30 – 4n

a7 = _________

Answer 1

Just plug in 7 into the equation and solve.
One question, is it 4n or \(4^n\) ?

Answer 2

I can't paste it but your second 4n.

Answer 3

Okay. So just do this:
\(\large a_n=30-4^2\rightarrow a_7=30-4^7\)
Do you have a calculator that can do exponents?

Answer 4

Not with me.

Answer 5

Use this: http://www.calculatorsoup.com/calculators/algebra/exponent.php

Answer 6

remember: \(\large -4^7=-(4)^7\)

Answer 7

@Shawn.Wilkerson u there?

Answer 8

Yes, I'm still working it out. I was AFK for a few seconds.

Answer 9

okay.
What's "AFK"?

Answer 10

away from keyboard

Answer 11

ah. thanks @perl