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31 July, 09:29

Use a shortcut method of your choice to complete the multiplication problems.

a. 973 * 80

b. 56 * 2,000

c. 5.7 * 300

d. 0.46 * 50

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Answers (2)
  1. 31 July, 11:04
    0
    Answer with Step-by-step explanation:

    a. 973 * 80

    = 973 * 8 * 10

    = 7784 * 10

    =77840

    b. 56 * 2,000

    =56 * 2 * 1000

    =112 * 1000

    =112000

    c. 5.7 * 300

    =5.7 * 3 * 100

    =17.1 * 100

    =1710

    d. 0.46 * 50

    =0.46 * 5 * 10

    =2.3 * 10

    =23
  2. 31 July, 12:33
    0
    See below.

    Step-by-step explanation:

    a. 973 * 80

    = 973 * 8 * 10

    = 7784 * 10

    = 77,840.

    b. 56 * 2000

    = 2*56 * 1000

    = 112,000.

    c. 5.7 * 300

    = 5.7 * 3 * 100

    = 17.1 * 100

    = 1710.

    d. 0.46 * 50

    = (0.46 * 100) / 2

    = 46 / 2

    = 23.
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