Question

What is the first term in the pattern with formula 20 · 5n – 1?

A.
0

B.
20

C.
25

D.
100

Answer 1

I'm assuming you meant:\[20*5^{n-1}\]
If this is the case, and if you want to find the first term, let n=1 (for FIRST term) and evaluate the result.

Answer 2

I was thinking it was
\[ 20*5(n-1)\]

Answer 3

OK. Let n=1 in that expression. What numerical value results for the entire expression?

Answer 4

Better go back and check the original problem. I really think it was \[20*5^{n-1}\]

Answer 5

it was