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Vanyuwa [196]
2 years ago
6

Which is the value of this expression when a = 5 and k = negative 2?

Mathematics
1 answer:
LuckyWell [14K]2 years ago
6 0

Answer:

<h2>25/9</h2>

Step-by-step explanation:

hello :

this expression equivalent to : (3/a)^5

because ;3²a^(-2)/3a^(-1)= (3²/3)×(a^(-2)/a^(-1)) = 3a^(-2+1) = 3a^(-1) = 3/a

now : a=5 and k= -2    so :    (3/5)^(-2) = (5/3)² =25/9

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