(42y^-2x^4w^-6)/(7x^-3)y^(6w^-5)

To simplify the given expression, we can follow these steps:1. Divide the coefficients: 2. Apply the quotient rule for exponents: 3. Apply the quotient rule for exponents: 4. Apply the quotient rule for exponents: Putting it all together, we get: Therefore, the simplified expression is .