Practice problem
Write 1,986,2681{,}986{,}2681,986,268 in expanded notation.
1,000,000+986,000+260+81{,}000{,}000+986{,}000+260+81,000,000+986,000+260+8
10,000,000+9,000,000+800,000+60,000+2,000+600+8010{,}000{,}000+9{,}000{,}000+800{,}000+60{,}000+2{,}000+600+8010,000,000+9,000,000+800,000+60,000+2,000+600+80
1,000,000+900,000+80,000+6,000+200+60+81{,}000{,}000+900{,}000+80{,}000+6{,}000+200+60+81,000,000+900,000+80,000+6,000+200+60+8
1,000,000+900,000+80,000+6,000+200+681{,}000{,}000+900{,}000+80{,}000+6{,}000+200+681,000,000+900,000+80,000+6,000+200+68
Type a concept, like “slope” or “photosynthesis”.
