Question: If you see the notation (X)(Y) what should you do? First sum the x 's then multiply the sum of the x 's by each
If you see the notation (X)(Y) what should you do? First sum the x 's then multiply the sum of the x 's by each y . First sum the x 's, then sum the y 's, then multiply the sums. First multiply the x 's by the y 's, then sum the results. First sum the y 's then multiply the sum of the y 's by each x First sum the y 's then multiply the sum of the y 's by each x
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