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13 February, 06:40

In the expression 30+40+70 Jillian added 30and40and then 70 while Samuel added 30 and 70 and then 40 who is correct

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  1. 13 February, 10:18
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    First let's find the result of the sum:

    30 + 40 + 70 = 140

    Now let's review the operations of each one:

    Jillian added 30and40and then 70:

    30 + 40 = 70

    70 + 70 = 140

    Samuel added 30 and 70 and then 40

    30 + 70 = 100

    100 + 40 = 140

    answer

    both are correct.

    Conclusion: the order of the factors does not alter the product.
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