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Q. Evaluate.
- Align Decimals and Subtract: Align the decimal points and subtract the numbers.We have to subtract from . To do this, we should write the numbers one below the other, aligning the decimal points, and then subtract as we would with whole numbers, borrowing if necessary.We notice that the number has fewer decimal places than . To make the subtraction easier, we can add a zero to the end of to match the number of decimal places.Now we subtract the numbers.
- Add Zero for Alignment: Perform the subtraction.Starting from the rightmost digit, we subtract each digit in the second number from the corresponding digit in the first number., we can't do this subtraction without borrowing.We borrow from the in the tenths place, turning it into , and the in the hundredths place becomes . in the hundredths place.Now we move to the tenths place., we can't do this subtraction without borrowing.We borrow from the in the ones place, turning it into , and the in the tenths place becomes . in the tenths place.Finally, we subtract the ones place. in the ones place.So, we have:But we made a mistake in the subtraction. We should have had in the ones place, in the tenths place, and in the hundredths place, but we wrote it incorrectly.
