Can someone tell me how I set up this problem?

What is the 7th term of the geometric sequence 4, -20, 100, ?

-327,680

-393,216

-458,752

-524,288

Question

Can someone tell me how I set up this problem?

What is the 7th term of the geometric sequence 4, -20, 100, ?

-327,680
		
-393,216
		
-458,752
		
-524,288

anonymous · Answer

first term is 4 and the common ratio is $\frac{-20}{4}=-5$ so the 7th term will be 
$$4\times (-5)^6$$ and now you need a calculator

anonymous · Answer

okay let me pull it up on my laptop!!! :)) thank you!!!!!!!!

anonymous · Answer

62500

anonymous · Answer

wait I have a question - how did you get -20/4 = -5?

anonymous · Answer

i divided the second term by the first one

anonymous · Answer

oh that's right! that does equal five!! oh my gosh thank you so much it means so much!!!!!!!!!!!!!!!!!!!!

anonymous · Answer

yw
btw it equals(-5\)

anonymous · Answer

I'm going to try another problem on my own right now!!! :))

anonymous · Answer

good!

anonymous · Answer

-5 is what i meant oops