Question

(5-¹)-³ x 25-³ x 125-¹​

Answer 1

Answer:

23 ^ -3

Step-by-step explanation:

${ ({5}^{ - 1}) }^{ - 3} \times {(25)}^{ - 3} \times {(125)}^{ - 1} \\ \\ = {(5)}^{ - 1 \times - 3}\times {(25)}^{ - 3} \times {(125)}^{ - 1} \\ \\ ={(5)}^{ 3}\times {(25)}^{ - 3} \times {(125)}^{ - 1} \\ \\ = 125 \: \times \frac{1}{25 \times 25 \times 25} \: \times \frac{1}{125} \\ \\ = {25}^{ - 3}$

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