Answer :
The value of the underlined digit is 800,000
Here, we want to get the value of the underlined digit.
The easiest way to get this is to write the given number in words
That would be;
five million, (eight hundred) and forty two thousand, one hundred and seventy three
From the above, we can see that the value of the underlined digit 8 is 800,000 (eight hundred thousand)
