Question

$7 {}^{3} \times 49 {}^{ - 1} \times 5 {}^{3} \times 25 {}^{ - 4}$
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Answer 1

7³ × 7-² × 5³ × 5-8

= 7 × 5-5

= 7 / 5^5

Answer 2

Answer:

7³×49^-1 ×5³×25^-4

49×7/49 ×5³/5³.5^5

7/5^5