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0.8 = 8 × 0.1 = 8 × 1/10

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Q: How do you write 0.8 in expanded notation using decimal and using fractions?
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What tools can represent decimal values?

Some common tools used to represent decimal values include: Decimal notation: This is the most common and widely used way to represent decimal values, using a decimal point followed by digits from 0-9. Fraction notation: Decimal values can also be represented as fractions, where the numerator is the decimal value and the denominator is a power of 10. Scientific notation: Decimal values can be represented in scientific notation, where a number between 1 and 10 is multiplied by a power of 10. This is particularly useful for very large or very small decimal values.

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