Question

Find the difference between $4^5$ and $5^4$?
[2 marks]

Answer 1

$4^5=\left(4\right)\times \left(4\right)\times \left(4\right)\times \left(4\right)\times \left(4\right)$
$\Rightarrow 4^5=1024$
[0.5 mark]

$5^4=\left(5\right)\times \left(5\right)\times \left(5\right)\times \left(5\right)$
$\Rightarrow 5^4=625$
[0.5 mark]

The difference between $4^5$ and $5^4$ is $4^5-5^4=1024-625=399$

The difference between $4^5$ and $5^4$ is $399$.
[1 mark]