we know that
the place values of [tex]12, 354.897[/tex] are as follows:
[tex]1[/tex] is in the ten thousands place.
[tex]2[/tex] is in the thousands place.
[tex]3[/tex] is in the hundreds place.
[tex]5[/tex] is in the tens place.
[tex]4[/tex] is in the one's place.
[tex]8[/tex] is in the tenths place.
[tex]9[/tex] is in the hundredths place.
[tex]7[/tex] is in the thousandths place.