SOLUTION: The Earth's crust is divided into large pieces called tectonic plates. The Pacific tectonic plate is moving northwest at a rate of about 4^-2m each year. At this rate, how long wil

Algebra ->  Exponents -> SOLUTION: The Earth's crust is divided into large pieces called tectonic plates. The Pacific tectonic plate is moving northwest at a rate of about 4^-2m each year. At this rate, how long wil      Log On


   



Question 842912: The Earth's crust is divided into large pieces called tectonic plates. The Pacific tectonic plate is moving northwest at a rate of about 4^-2m each year. At this rate, how long will it take the plate to move 4^6m (about 2.5 miles)?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
The Earth's crust is divided into large pieces called tectonic plates.
The Pacific tectonic plate is moving northwest at a rate of about 4^-2m each year.
At this rate, how long will it take the plate to move 4^6m (about 2.5 miles)?
:
Just follow the rules of exponents:
4%5E6%2F4%5E-2 = 4%5E%28%286%2B2%29%29 = 4%5E8, About 65,536 years