The ptoduct of two rational numbers will always equal a rational number. a true. b false

That is true.

In order for something to become irrational, at least one number has to be irrational.

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A) for the n row: 22+(n-1)×6therefore,b) 100-22=78that means (n-1)×6=7878÷6=1313+1=1414th row has 100 seats