2,070,173,800
2,070,173,810
replace the final 3 zeros with 810
2070173810
70000000 + 7000000 + 70000 + 9000 + 100 + 1
2000000000
2,070,173,810
Assuming those were added, the standard form is: 2,070,173,810
Each of those numbers already is in standard form.
replace the final 3 zeros with 810
2,070,083,810
2,070,110,810
2070173810
Assuming those were added, the standard form is: 2,070,173,810
70000000 + 7000000 + 70000 + 9000 + 100 + 1
70000000+3000000+100000+8000+2
2,500,070,207
Assuming those were added, the standard form is: 2,070,173,810