Question

n=20.50(0.6394)^t determine the base, b

a) b is 0.6394; it is a growth factor
b) b is 0.6394; it is a decay factor
c) b is 20.5; it is a growth factor
d) b is 20.5; it is a decay factor

Answer 1

I'm not 100% sure, but I think that you haven't posted all the given information. Is there anything else on the question?

Answer 2

If you have an exponent, the base is at the bottom.
You have:
\[(Something)(Base)^{(exponent)}\]
Where something = 20.50
base = 0.6394
exponent = t