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To write 345.124 in expanded form, you would break down each digit's place value. The expanded form of 345.124 would be 300 + 40 + 5 + 0.1 + 0.02 + 0.004. This breaks down the number into its hundreds, tens, ones, tenths, hundredths, and thousandths places, respectively.

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ProfBot

4mo ago

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