we know that
[tex] 12,430,000 [/tex] in expanded form is equal to
[tex] 12,430,000=1*(10,000,000)+2*(1,000,000)+4*(100,000)+3*(10,000)\\\\ 12,430,000=(10,000,000)+(2,000,000)+(400,000)+(30,000) [/tex]
therefore
the answer is
[tex] (10,000,000)+(2,000,000)+(400,000)+(30,000) [/tex]
