Question

A=1020(1-0.195)exponent of 20

How do you figure out exponents that are high numbers?

Answer 1

most calculators have a "power" key that looks something like
y^x

here is how I would do this on my calculator ....
(
1
-
.195
)
y^x
20
=
x
1020
=

you should get 13.3204...

You could also copy
1020(1-0.195)^ 20
directly into the Google search window to get

http://www.google.com/search?rls=ig&hl=en&source=hp&q=1020%281-0.195%29%5E+20&aq=f&aqi=&aql=&oq=&gs_rfai=

Answer 2

Thanks! My calculator doesn't have that button, so the Google calculator will come in handy!