Answer :
Expanded form
89,637,421=80,000,000+9,000,000+600,000+30,000+7,000+400+20+1
Word form
eighty-nine million six hundred thirty-seven thousand four hundred twenty-one
89,637,421=80,000,000+9,000,000+600,000+30,000+7,000+400+20+1
Word form
eighty-nine million six hundred thirty-seven thousand four hundred twenty-one