Question

Good evening frnds ❤️

plz solve this :

Simplify and write the answer in exponential form!..

$1.( {3}^{5} \div {3}^{8} ) {}^{5} \times {3}^{ - 5}$
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Answer 1

Answer:

3^-20

Step-by-step explanation:

= (3^5/3^8)^5 × 3^-5

= (3^5-8)^5 × 3^-5

= (3^-3)^5 × 3^-5

= 3^-15 × 3^-5

= 3^[-15 + (-5)]

= 3^-15 - 5

= 3^-20

Answer 2

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