Question

pl find the answer in detail

Answer 1

It is called face value.

In 7290, the place of 7 is in thousands, the place of 2 is in hundreds, the place of 9 is in tenths and 0's in ones.

7290=(7000+200+90+0)

Hereby, you can see that ten times of 9 must be added for the number to be 7290. Hence, the place of tenth in 7290 is 9.