H im new to brainley can someone provide a step by step tutorial on how to ask a question th

First you go to the bottom and tap on the first icon, then you would see “Ask your question” in green and you tap on it , then you ask you question (you can provide a picture) and at the top you click on 10 points and you can increase how many point you want to give away for your question then you hit ask question and it will pop up what “subject are you talking about” or something like that the. you click it and you’re done until someone answers your question .

When i did the math i got 11 cm