Question
Using laws of exponents, simplify and write the answer in exponential form.
$\left(5^2\right)^3+5^3$

Answer

$\left(5^2\right)^3+5^3=5^{2 \times 3}+5^3$ $\left[\because\left(a^m\right)^n=a^{m n}\right]$
$=5^6+5^3=5^{6-3}=5^3$ $\left[\because a^m+a^n=a^{m-n}\right]$

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