3. The weekly wages (in) of 30 workers in a factory are. 830.835, 890,810.835,836, 869,845,898, 890,820, 860,832,833,855.845 804,808,812, 840.885.835, 835, 836.878, 840, 868, 890, 806, 840 Using tally marks make a frequency table with intervals as 800-810,810-820 and So on,
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Subtraction is not commutative because switching around the numbers in the operation yields a different solution. For example, because . The operations addition and multiplication are commutative, because no matter what order you place the numbers in, you will always get the same sum/product.
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