How did 27.84x10^-6 become 3.593x10^4? Integration Help

[PCal]

1. The problem statement, all given data
I've been working through one of the lessons for my HNC and I'm totally stuck on how they got from 27.84x10^-6 to 3.593x10^4. I can follow it all fine including the integration after that section it's just the inbetween that I can't seem to get my head around! Any help would be greatly appreciated!

Homework Equations

The Attempt at a Solution

 

[PeroK]

1. The problem statement, all given data
I've been working through one of the lessons for my HNC and I'm totally stuck on how they got from 27.84x10^-6 to 3.593x10^4.

They may have used the $1/x$ button on a calculator!

 

[PCal]

They may have used the $1/x$ button on a calculator!

Yesss! Thank you!