We can open a position as follows, where we pay $100 mUSD with 10x leverage allowing us to take a 351.4 long Junox position with an entry price of $2.846 mUSD.
Open a long position
Clicking on the open position button the following confirmation pop-up should appear detailing the fees due and the liquidation price of your position:
Confirming you will then be asked by keplr to sign and broadcast your transaction:
Keplr approve transaction
Once the transaction has been mined/included in a block you should see your position as below: