Solution:
The place value of first seven is 7 × 100 = 700
The place value of second seven is 7 × 10, 00, 000 = 70, 00, 000
So the required difference = 70, 00, 000 – 700 = 69, 99, 300
Therefore, the difference of the place values of two 7’s in 257839705 is 69, 99, 300.
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