254.91 plus 26.845 equals which value?

Study for the TABE Math Test. Practice with flashcards and multiple-choice questions, each question offers hints and explanations. Get ready for your exam!

Multiple Choice

254.91 plus 26.845 equals which value?

Explanation:
Aligning decimals is the key. Line up the decimal points and make sure both numbers have the same number of digits after the decimal by padding with zeros if needed. Here, 254.91 becomes 254.910 to match three decimal places with 26.845. Add from right to left: thousandths 0 + 5 = 5, hundredths 1 + 4 = 5, tenths 9 + 8 = 17 (write 7, carry 1), ones 4 + 6 + 1 = 11 (write 1, carry 1), tens 5 + 2 + 1 = 8, hundreds 2 + 0 = 2. The result is 281.755, so the sum is 281.755.

Aligning decimals is the key. Line up the decimal points and make sure both numbers have the same number of digits after the decimal by padding with zeros if needed. Here, 254.91 becomes 254.910 to match three decimal places with 26.845. Add from right to left: thousandths 0 + 5 = 5, hundredths 1 + 4 = 5, tenths 9 + 8 = 17 (write 7, carry 1), ones 4 + 6 + 1 = 11 (write 1, carry 1), tens 5 + 2 + 1 = 8, hundreds 2 + 0 = 2. The result is 281.755, so the sum is 281.755.

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