0.00507 is 507 hundred thousandths.
It is six hundred and eighteen thousandths!
6.00021 The first decimal place is tenths, then hundredths, thousandths, ten-thousandths, hundred-thousandths, etc. 21 hundred-thousandths must end in the hundred-thousandths place.
79 hundred-thousandths = 0.00079
Five hundred thousandths
1,274,915,000
0.00507 is 507 hundred thousandths.
It is six hundred and eighteen thousandths!
6.00021 The first decimal place is tenths, then hundredths, thousandths, ten-thousandths, hundred-thousandths, etc. 21 hundred-thousandths must end in the hundred-thousandths place.
Six hundred-thousandths. Could be easily confused with 0.600: six hundred thousandths. (as in "six" "hundred-thousandths" vs "six hundred" "thousandths")
If it is grouped as "seven (hundred thousandths)", the answer is 0.00007. If it is "(seven hundred) thousandths", it's 0.7.
200.005 is two hundred and five thousandths.
79 hundred-thousandths = 0.00079
Five hundred thousandths
7 hundred thousandths is a number. It "does" nothing, and nothing "does" it.
Six and two hundred thousandths
If it is grouped as "seven (hundred thousandths)", the answer is 0.00007. If it is "(seven hundred) thousandths", it's 0.7.