Evaluate 25/4 to the power -1/2
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Answer:
2/5
Step-by-step explanation:
(25/4)^-1/2
=(5²/2²)^-1/2
={(5²)^-1/2}÷{2²^-1/2}
= (5^(2×-1/2))÷(2^(2×-1/2)
=5^-1/2^-1
=(1/5)/(1/2)
= 2/5
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