Answer:Step-by-step explanation:Let’s break this down step by step:A. Expanded Form58,457:Expanded form: ( 50,000 + 8,000 + 400 + 50 + 7 )17,523:Expanded form: ( 10,000 + 7,000 + 500 + 20 + 3 )90,000 + 6,000 + 500 + 50 + 4:Combined form: ( 96,554 )60,000 + 5,000 + 70 + 5:Combined form: ( 65,075 )0,000 + 7,000 + 500 + 20 + 3:Combined form: ( 17,523 )B. Compare the Numbers1,000 + 900 + 80 + 7:Combined form: ( 1,987 )Compare with 1,897:( 1,987 ) is greater than ( 1,897 )700 + 50 + 6:Combined form: ( 756 )Compare with 765:( 756 ) is less than ( 765 )624:Compare with 6,000 + 800 + 40 + 2:Combined form: ( 6,842 )( 624 ) is less than ( 6,842 )89,456:Compare with 4,000 + 800 + 80 + 6:Combined form: ( 4,886 )( 89,456 ) is greater than ( 4,886 )80,000 + 900 + 40 + 6:Combined form: ( 80,946 )Compare with 4,586:( 80,946 ) is greater than ( 4,586 )