To simplify the given expressions, we can identify the properties used:
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For the expression y⁴y², we use the Product of Powers Property, which states that when multiplying two powers with the same base, you add the exponents. Thus, y⁴y² = y^(4+2) = y⁶.
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For the expression x⁻⁵, we simply recognize that this is already simplified. But if we were to express it positively, we might refer to the Negative Exponent Rule, which states that x⁻⁵ = 1/(x⁵).
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For the expression (x³)⁶, we use the Power of a Power Property, which states that when raising a power to another power, you multiply the exponents. Thus, (x³)⁶ = x^(3*6) = x¹⁸.
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For the expression z³ × z⁵, we use the Product of Powers Property again, which states that when multiplying two powers with the same base, you add the exponents. Thus, z³ × z⁵ = z^(3+5) = z⁸.
To summarize:
- y⁴y²: Product of Powers Property
- x⁻⁵: Negative Exponent Rule (not needed for simplification)
- (x³)⁶: Power of a Power Property
- z³ × z⁵: Product of Powers Property