Question

please solve it Very Very fast please please its urgent please ​

Answer 1

Question :-

➣ $\dfrac{-5^2\times 3^4\times 10^{-2}\times a^4}{36\times 5^4\times 20^{-3}\times a^{-2}}$

Answer ➣ $\dfrac{36a^2}{-5}$

Refer to the attached image for the answer.

Additional Information :-

▪ Laws of Indices :-

• Product law

If bases are same then powers and multiplication sign is there then powers are added.

• Quotient Law

If numerator and denominator are same then powers are subtracted.

• Power law

Here, for example :-

$= ( {x}^{2})^3$

Here powers will multiply.

$= {x}^{6}$