There is none. The implied digit is 0.
It is the 9.
the 7 is in the hundred-thousands column
The digit in the tenths column is the 1.
0.0015
to round, look at the digit immediately after the place value you are rounding to; thus, if you are rounding to hundreds, you look to the tens column. the digit "4" is in the tens column. numbers 4 and under round down; numbers 5 and higher round up. therefore, 147.32 rounded to the nearest hundred is 100
It is the 9.
the 7 is in the hundred-thousands column
The 2 is in the hundred-thousand column, so it represents two hundred thousand.
6900
There is no digit in the thousands column. There is a 1 in the thousandths column.
The digit in the tenths column is the digit 8.
The digit in the tenths column is the 1.
The tenths column is the first column after the decimal point → the digit in the tenths column is '9'.
0.0015
to round, look at the digit immediately after the place value you are rounding to; thus, if you are rounding to hundreds, you look to the tens column. the digit "4" is in the tens column. numbers 4 and under round down; numbers 5 and higher round up. therefore, 147.32 rounded to the nearest hundred is 100
The digit in the tenth column of 34.5 is 5 (5 tenths)
9 is the digit in the tenths place. The tenths column is the column immediately to the right of the decimal point.