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