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anonymous

  • one year ago

Enrique said that 29.4 × 8.6 equals 2,528.4. Is Enrique's answer reasonable? A. Yes, Enrique's answer is reasonable. B. No, Enrique's answer should be closer to 250. C. No, Enrique's answer should be closer to 25. D. No, Enrique's answer should be closer to 2.5.

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  1. welshfella
    • one year ago
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    if we convert the 2 numbers to 1 signifiicant figure and multiply we;ll get an estimate 29.4 becomes 30 and 8.6 becomes 9 giving 30 * 9 = 270 so what do you think the answer is?

  2. welshfella
    • one year ago
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    the correct answer will be less than 270 because we have rounded up each number

  3. welshfella
    • one year ago
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    so which one is it?

  4. welshfella
    • one year ago
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    It should be obvious now...

  5. welshfella
    • one year ago
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    is 270 anyway near 2,528.4?

  6. welshfella
    • one year ago
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    are you still there?

  7. anonymous
    • one year ago
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    sorry

  8. anonymous
    • one year ago
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    um, no

  9. welshfella
    • one year ago
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    270 is nowhere near 2528 but which of the options is it nearest to ?

  10. anonymous
    • one year ago
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    B

  11. anonymous
    • one year ago
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    @welshfella

  12. anonymous
    • one year ago
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    otherwise count the position of decimal

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