Question 211460
Assuming  1st  is,,,,,,16 x^2y^3 / 2x
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(16/2)* (x^2/x^1) *(y^3)
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8 * x^(2-1) * y^3
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8x^1y^3
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8xy^3
.
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7y^7 * 3y^0
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(7*3) * y^(7+0)
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21*y^7
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21 y^7,,,,,,,,
.
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Remember,,,,x^a * x^b = x^(a+b)
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and  x^0 -1
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