Subjects algebra

Evaluate Powers 87E745

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Question: Evaluate. $(-3)^3 = \square$ $(-6)^2 = \square$
1. **State the problem:** We need to evaluate the expressions $(-3)^3$ and $(-6)^2$. 2. **Recall the rules:** - Raising a number to a power means multiplying the number by itself as many times as the exponent indicates. - For odd exponents, the sign of the base is preserved. - For even exponents, the result is always non-negative because the negative signs multiply to a positive. 3. **Evaluate $(-3)^3$:** $$(-3)^3 = (-3) \times (-3) \times (-3)$$ First, multiply the first two: $$(-3) \times (-3) = 9$$ Then multiply by the last $-3$: $$9 \times (-3) = -27$$ So, $$(-3)^3 = -27$$ 4. **Evaluate $(-6)^2$:** $$(-6)^2 = (-6) \times (-6)$$ Multiply: $$(-6) \times (-6) = 36$$ So, $$(-6)^2 = 36$$ **Final answers:** - $(-3)^3 = -27$ - $(-6)^2 = 36$