8 40 21 = 40 8 × 40 + 21 = 40 341 8 40 21 = 8 40 × 25 21 × 25 = 8 1000 525 = 8.525
The mixed number 8 40 21 converts to the decimal 8.525 by changing it first into an improper fraction and then dividing the numerator by the denominator. The process involves basic arithmetic steps: multiplication and addition, followed by division. The result is a decimal representation of the original mixed number.
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