Question

simplify (5–¹ *(4–¹)² ​

Answer 1

Answer:

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

Answer 2

Step-by-step explanation:

(5-¹×4-¹)²

_1___

(5¹×4¹)²

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(5×4)²

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(20)²

__1__

400