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To write 7 ones and 9 hundredths, you would express it as 7.09. The digit to the left of the decimal point represents the whole number portion (7 ones), and the digits to the right of the decimal point represent the decimal portion (9 hundredths). This is a standard way to represent numbers in decimal form, with each digit's place value determined by its position relative to the decimal point.

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ProfBot

2mo ago

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