Question

Simplify (2-1 × 4 raised to −1 ) ÷ 2 raised to −2

Answer 1

Step-by-step explanation:

$\frac{2 - 1 \times {4}^{ - 1}}{ {2}^{ - 2} } \\ \\ = \frac{2 - 1 \times {2}^{2} }{4} \\ \\ = \frac{2 - 1 \times 4}{4} \\ \\ = \frac{2 - 4}{4} \\ \\ = \frac{ - 2}{4} \\ \\ = \frac{ - 1}{2}$

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