i need help to know

i joined steemit on 17 march last month and i was off for about 10 days without logging in into steem. my friend told me to join steemit and he told me the basic things that i need to do here ( make postings, make dedication by keep posting everyday etc) and i know that i broke the rule of dedication by being off for 10 days but that was caused by my sister death so there's a very strong reason for me about my absence here. but bcoz of that neglecting i've done, my friend who told me to join here doesn't care about me anymore even i've explained but he doesn't care and i said "alright bro, fine and cool bcoz i can make my own way here" the bad news to me is that i don't understand about payment that i've received from steem..i just wanna know how much i've earned no matter it is only 50 cents that's not the point..i just want to know the amount i've got..smebody plz answer me this question would you??here are details of my wallet..6.351 steem=???$, 45,922 steem power, 0,726 steem dollars, savings 0.000, 9,46 $ estimated account value...and plz tell me what to do with those numbers..do i have to convert steem dollars to steem or do i have to convert steem to steem power AKA powering up or what? plz coz i need to know and i want to know ;)  

those pics above state my confused mind LOL