Question

simplify {(5)^-1×(4)^-1}^2​

Answer 1

Answer:

${5}^{ - 1} = \frac{1}{5} \: \: and \: \: {4}^{ - 1} = \frac{1}{4}$

Now,

${( \frac{1}{5} \times \frac{1}{4}) }^{2} \\ = {( \frac{1}{20} )}^{2} \\ = \frac{1}{400}$

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Answer 2

Answer:1/400

Step-by-step explanation:

(5^-1×4^-1)^2

(1/5×1/4)²

(1/20)²

1/400