Practice problem
Write 489,183489{,}183489,183 in expanded notation.
400,000+80,000+9,000+100+80+3400{,}000+80{,}000+9{,}000+100+80+3400,000+80,000+9,000+100+80+3
4+8+9+1+8+34+8+9+1+8+34+8+9+1+8+3
489+183489+183489+183
Type a concept, like “slope” or “photosynthesis”.
