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Mathematics

Determine the difference of the place value of two 7's in 37014472 and write it in words in International system.

Number System

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Answer

In the International system, the given number can be written as 37,014,472.

DigitFace ValuePlace Value
333 x 10,000,000 = 30,000,000
777 x 1,000,000 = 7,000,000
000 x 100,000 = 0
111 x 10,000 = 10,000
444 x 1,000 = 4,000
444 x 100 = 400
777 x 10 = 70
222 x 1 = 2

The place value of 7 at the millions place = 7 × 1,000,000 = 7,000,000.

The place value of 7 at the tens place = 7 × 10 = 70.

Difference = 7,000,000 - 70

= 6,999,930

In words (International system): Six million nine hundred ninety nine thousand nine hundred thirty.

Hence, the required difference is 6,999,930, i.e., six million nine hundred ninety nine thousand nine hundred thirty.

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