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# How do you write the value of the underlined digit?

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The value of an underlined digit in a given number expresses how much that digit is worth. To determine the digit’s value, multiply it by its place value. The underlined figure tells how many sets of the place value there are in the number.

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If seven is underlined in 751, seven must be multiplied to 100, since it is in the hundredth place. There are seven sets of hundreds in the number. Therefore, the value of seven in 751 is 700. In the same number, if one is underlined, the value is also one, since it represents only one set in the place of one.

## Related Questions

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The divisibility rule for 7 dictates that a number is divisible by 7 if subtracting 2 times the digit in the one's column from the rest of the number, now excluding the one's column digit, yields a number that is divisible by 7 or 0. Divisibility rules are simple rules that can be used to quickly determine if a number is divisible by a smaller number without a calculator.

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Integers with the same sign are added and the sum takes the sign of the integers, while integers with different signs are subtracted and the difference takes the sign of the number with the highest absolute value. The set of integers include all the counting numbers, zero and the negatives of the counting numbers.

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An example of using an integer as an absolute value in real life is describing the distance, to or from something, using a whole number. For instance, someone would say they are 5 miles from Tucson or 5 miles past Tucson. In both cases, the person would be describing the distance as a positive number.