Question

simplify ( (5)–¹ *(4)–¹)² fast i will mark as brainliest​

Answer 1

Answer:

(5¹×4¹)²

(5×4=20)².

(20)²=400

Step-by-step explanation:

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Answer 2

Answer:

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