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16 February, 17:22

Round each number to the nearest hundredth. What is the best estimate for the sum of 23.638 + 74.827? A. 98.45 B. 98.46 C. 98.47 D. 98.48

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  1. 16 February, 18:44
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    If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up (+1).

    If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down (no change).

    23.638 ≈ 23.64

    74.827 ≈ 74.83

    therefore:

    23.638 + 74.827 ≈ 23.64 + 74.83 = 98.47 ⇒ answer C
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