Write each of the following in expanded form.

$a^2{b}^4$

$a^n$ read as a raised to the power of $n$, where n is the exponent or index and $a$ is the base.

The expanded form of $a^n=a\times a\times a\times a......ntimes$

thus, the expanded form of $a^2{b}^4$

$a^2{b}^4=a\times a\times b\times b\times b\times b$