Multiple choice

The area of the rectangle is 256.421586 cm2. What will be the area of rectangle rounded off to 3 decimal places?

  1. 256.420 cm2

  2. 256.421 cm2

  3. 256.422 cm2

  4. 256.423 cm2
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C Correct answer
Explanation

Rounding 256.421586 to 3 decimal places: the 4th decimal digit is 5, so round up the 3rd digit from 1 to 2. Result is 256.422.

AI explanation

To round the area to three decimal places, look at the fourth decimal digit, which is 1. Because 1 is less than 5, you round down by dropping it and all following digits. The rounded area is 256.422 square centimeters.

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