Answer:
1) 8²⁰ / 2⁸
Explanation:
(8⁻⁵ / 2⁻²)⁻⁴
multiply the exponents
-5 • -4 = 20 → 8²⁰
-2 • -4 = 8 → 2⁸
8²⁰ / 2⁸
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