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Which of the following are features or uses of a decimal?Select all that applyRepresent any type of number, with a fractional componentAre difficult to use in calculationsUseful when calculating figures with a fractional componentNumbers to the right of the decimal represent a part or fraction of a wholeType of integer numberType of rational number

Question

Which of the following are features or uses of a decimal?Select all that applyRepresent any type of number, with a fractional componentAre difficult to use in calculationsUseful when calculating figures with a fractional componentNumbers to the right of the decimal represent a part or fraction of a wholeType of integer numberType of rational number

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Solution

  1. Represent any type of number, with a fractional component: This is true. Decimals can represent both whole numbers and fractions. For example, 1.5 represents one and a half.

  2. Are difficult to use in calculations: This is false. Decimals are not inherently difficult to use in calculations. In fact, they are often used to simplify calculations, especially those involving fractions.

  3. Useful when calculating figures with a fractional component: This is true. Decimals are particularly useful when dealing with fractions or percentages, as they can simplify calculations and make them easier to understand.

  4. Numbers to the right of the decimal represent a part or fraction of a whole: This is true. In a decimal number, the digits to the right of the decimal point represent fractions of a whole. For example, in the number 1.25, the 2 represents two tenths and the 5 represents five hundredths.

  5. Type of integer number: This is false. Integer numbers are whole numbers, without a fractional component. Therefore, decimals are not a type of integer.

  6. Type of rational number: This is true. Rational numbers are numbers that can be expressed as a fraction, and since decimals can represent fractions, they are a type of rational number.

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