块 means dollar 毛 means dime(one tenth of a dollar) 分 means cent(one hundredth of a dollar)

so thanks!

1 块=1元=1 RMB 1毛= 1角 1块(元）=10毛（角）=100分=1 RMB

块=1RMB=10毛=100分

块=1usd 毛=0.1usd 分=0.01usd wish you can get it.