I started from 89? what's it?
The attached screen shot is saying 89 Days 23 hours. clock starts as soon as you entered the key in the learning system.
I'll have 2 simulated exams or is it another course to take?
Course includes everything. 2 simulated exams are available at assessment section.
You can refer page number 8 of PMI-PBA ReadMe_Quampus.pdf which you had received with your course welcome kit. For your reference I am enclosing screen shot from the PDF, it will help you to locate assessment questions.