Question

Simplify the following, using 2nd law, $a^{m} \div a^{n}=a^{m-n} : (8.5)^6 \div (8.5)^5$

Answer 1

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Given:-


•Identity :-.
$( \frac{ {a}^{m} }{ {a}^{n} } = {a}^{n - m} )$


Answer:-

By using the above identity↓
$= > \frac{ {(8.5)}^{6} }{ {(8.5)}^{5} } \\ \\ = > {(8.5)}^{6 - 1} \\ \\ = > {(8.5)}^{1} \\ \\ = > 8.5$



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Answer 2

Answer:

8.5

Step-by-step explanation:

According to the question

We have to use the 2nd law.

$a^{m}\div\ a^{n} = a^{m\ -\ n}$

The given expression is

$(8.5)^{6}\div (8.5)^{5}$

$= (8.5)^{6\ -\ 5}$ (According to the 2nd law)

$=(8.5)^{1}$

= 8.5 (Answer)