Given:
Two numbers are 71,000 and 17,000.
To find:
The digit whose value in 71,000 is ten times the value in 17,000.
Solution:
In the number 71000, 7 is on ten thousands place.
It means the value of 7 is
[tex]7\times 10000=70000[/tex]
In the number 17000, 7 is on thousands place.
It means the value of 7 is
[tex]7\times 1000=7000[/tex]
[tex]70000=10\times 7000[/tex]
It is clear that 70000 is ten times of 7000.
So, required digit for the blacks is 7.
Therefore, the value of the digit 7 in 71,000 is ten times the value of the digit 7 in 17,000.