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sergij07 [2.7K]
3 years ago
7

Use the rules of exponents to simplify the expressions. Match the expression with its equivalent value.

Mathematics
1 answer:
Yuliya22 [10]3 years ago
6 0

Answer/Step-by-step explanation:

1. \frac{(-2)^{-5}}{(-2)^{-10}}

Apply the Quotient rule: i.e. \frac{x^n}{x^m} = x^{n - m}

= (-2)^{-5 - (-10)} = (-2)^5} = -32

2. 2^{-1} * 2^{-4}

Apply the product rule: i.e. x^n * x^m = x^{n + m}.

= 2^{-1 + (-4)} = 2^{-1 - 4}

= 2^{-5}

Apply the negative exponent rule: i.e. x^{-n} = \frac{1}{x^n}

= 2^{-5} = \frac{1}{2^5}

= \frac{1}{32}

3. (-\frac{1}{2})^3 * (-\frac{1}{2})^2

Apply product rule

= (-\frac{1}{2})^{3 + 2}

= (-\frac{1}{2})^{5}

= -\frac{1^5}{2^5}

= -\frac{1}{32}

4. \frac{2}{2^{-4}}

Apply the rules of 1 and quotient rule

= 2^{1 - (-4)}

= 2^{1 + 4}

= 2^{5} = 32

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