Question

Evaluat: (-8)- ⁴ /7 ×(-4)³/5

Answer 1

What is that - between 8 and exponent 4

Answer 2

$\frac{ {( - 8)}^{ - 4} }{ 7} \times \frac{ {( - 4)}^{3} }{5} \\ = \frac{1}{ {( - 8)}^{4} \times 7} \times \frac{ {( - 4)}^{3} }{5} \\ = \frac{1}{4096 \times 7} \times \frac{ - 64}{5} \\ = \frac{1}{28672} \times \frac{ - 64}{5} \\ = \frac{ - 1}{448 \times 5} \\ = \frac{ - 1}{2240}$

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