Practice problem
What is 1,0841{,}0841,084 in expanded notation?
1,000+800+41{,}000+800+41,000+800+4
1,000+80+401{,}000+80+401,000+80+40
1,000+80+41{,}000+80+41,000+80+4
1,000+841{,}000+841,000+84
Type a concept, like “slope” or “photosynthesis”.