Emma wrote thirty-six thousand forty-two as 3,642. Explain what she did wrong. Then write the number correctly.

The correct number for the thirty-six thousand forty-two is 36, 042.
Given that,
Emma wrote thirty-six thousand forty-two as 3,642. To explain what she did wrong, and then to determine to write the number correctly.
In mathematics, it deals with numbers of operations according to the statements. for major operators of the arithmetic operation are Addition, Subtraction, Division, and Multiplication.
Here,
Emma wrote thirty-six thousand forty-two as 3,642 she made a mistake at the place of thousand, she must write the zero after 6,
Here, the correct number is 36, 0452.
Thus, the correct number for the thirty-six thousand forty-two is 36, 042.
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