Answer:
-20x³ + 0x² + 15x - 20
Step-by-step explanation:
I would have said it the other way.
"Multiply each term in the top row by -5."
4x³ + 0x - 3x + 4
<u>×(-5</u>) <u>×(-5</u>) <u>×(-5)</u> <u>×(-5)
</u>
-20x³ + 0x² + 15x -20
Answer:
7th term = -2187
Step-by-step explanation:
The formula for nth term of a geometric sequence is given by:

Where
- a is the first term,
- r is the common ratio,
- n is the nth term (term number)
Since the question gives us the formula and wants to know 7th term, we just plug in 7 into n:
