Clearly this should be:
so either you've mistyped it or the person who set the question mistyped it putting a zero in place of where the 9 should have been!
Here's my question:
The answer to this probelm is:
I don't see how to get this answer, here's my attempt:
Equation has to be of the form , where k is some constant. I don't understand how they've got k=0.076
Any explanation would be helpful.