Question

(2⁰ + 4⁻¹) × 2²
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Answer 1

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Answer 2

Answer:

5

Step-by-step explanation:

(2⁰ + 4⁻¹) × 2²

$= \bigg( \displaystyle{1 + \frac{1}{4}} \bigg) \times {2}^{2}$

$\displaystyle{ = \bigg( \frac{4 + 1}{4} \bigg) \times {2}^{2} }$

$\displaystyle{ = \frac{5}{4} \times 4}$

$= 5$

Laws of exponent :

• aᵐ × aⁿ = aᵐ ⁺ ⁿ
• aᵐ ÷ aⁿ = aᵐ ⁻ ⁿ
• a⁻ᵐ = 1/aᵐ
• a⁻¹ = 1/a
• (ab)ᵐ = aᵐ × bᵐ
• (a/b)ᵐ = aᵐ / bᵐ
• a⁰ = 1

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