finds the difference of place value of 387 in 103479
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the question seems incorrect. let us correct it first.
place value of 387 is confusing. we find place value of a digit in any number. now if treat 387 as different digits i.e. 3, 8 and 7, it is still confusing. we can add as many numbers in a row, but difference is always between two numbers. so there must be two digits only. By looking at number, it is clear that digit 8 is not in number. I feel it is ampersand & in place of 8 and the question requires us to find difference of place values of digits 3 and 7.
now
place value of 3 in 103479 = 3000 ( easy..just ignore digits before 3 and make all digits after 3 zero)
place value of 7 in 103479 = 70
difference = 3000 - 70
= 2930
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