Question

How do you evaluate `(5q r s t ^ { 3} ) ( 6q ^ { 2} r ^ { 9} s t )`?

Answer 1

`30q^(3)r^(10)s^(2)t^(4)`

Explanation:

Law:
`x^a*x^b=x^(a+b)`

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`(5qrst^3)(6q^2r^9st)=5*6*q^(1+2)*r^(1+9)*s^(1+1)*t^(3+1)=30q^(3)r^(10)s^(2)t^(4)`