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24 May, 22:13

Perform the indicated operation. then estimate to see whether the proposed results is reasonable. 11.58 + 11.9 + 9.2

32.68

22.68

33.68

31.68 Preform the indicated operation. Then estimate to see whether the proposed result is reasonable.

93.8 - 6.48

87.32

97.44

87.42

94.34

Preform the indicated operation. Then choose the best answer. 27.7 x 1.9 5.363

52.63

53.62

5.263 Choose the best estimate. 64.1 : 97

641

6.41

0.641

6410 Use estimation to determine whether the result is reasonable or not. 108.93 x 32.6 Result: 355.112 Is it reasonable or not?

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Answers (1)
  1. 24 May, 22:18
    0
    Answers: See below

    These problems are best done by rounding to easy numbers, then picking the closest value. Below I gave an example of how to round them and then picked the best answer.

    1) 12 + 12 + 10 = 34 So 33.68 is the closest.

    2) 94 - 6 = 88 So 87.42 is the closest.

    3) 28 x 2 = 56 So 53.62 is the closest.

    4) 60 / 100 = 0.6 So 0.641 is the closest.

    5) 100 x 30 = 3000 So 355.12 is not reasonable.
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Home » Mathematics » Perform the indicated operation. then estimate to see whether the proposed results is reasonable. 11.58 + 11.9 + 9.2 32.68 22.68 33.68 31.68 Preform the indicated operation. Then estimate to see whether the proposed result is reasonable. 93.8 - 6.
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