Question

Solve second one...

Plzz solve with full explanation..

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Answer 1

Answer:

[2⁶/5³]

Step-by-step explanation:

[5/8] ⁻⁷  x        [8/5]⁻⁴

The first step is to make the negative exponents as positive to simplify the rest of the calculation.  which will look like:

[8/5]⁷  x        [5/8]⁴

8 can be written as 2³

   [2³/5]⁷   x     [5/2³]⁴

⇒ [2¹⁰/5⁷]   x    [5⁴/2⁴]

by cutting, your answer will be

⇒[2⁶/5³]