MCQ
$\left(-\frac{3}{4}\right)^5$ is equal to
- A$\frac{81}{256}$
- B$-\frac{81}{256}$
- ✓$-\frac{243}{1024}$
- D$\frac{243}{1024}$
✓
Answer
Correct option: C.
$-\frac{243}{1024}$
$\left(-\frac{3}{4}\right)^5=\frac{(-3) \times(-3) \times(-3) \times(-3) \times(-3)}{4 \times 4 \times 4 \times 4 \times 4}$
$=-\frac{243}{1024}$
$=-\frac{243}{1024}$
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