Be more specific on the first one
Answer:
3 * 3 * 3 * 3
=> 
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Answer: le quedan leer 295 páginas
Step-by-step explanation:
Answer:
z = 10.
Step-by-step explanation:
1/ z = 4/5 / 8
1/z = 4/40
1/z = 1/10
z = 10 .