Question

Plz answer question is in image
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Answer 1

Answer:

25/ 14

Step-by-step explanation:

We have,

(2/5)³ ÷ (2/7)⁴. (5/7)⁵

= 2³/ 5³ ÷ 2⁴/ 7⁴. 5⁵/ 7⁵

= 8/ 5³ ÷ 16/ 7⁴. 5⁵/ 7⁵

= 8/ 5³ × 7⁴/ 16 . 5⁵/ 7⁵

= 5^(5 - 3) / 2 × 7^(5 - 4)

= 5² / 2 × 7

= 25/ 14