# How do you simplify (4r^0)^4 and write it using only positive exponents?

Jun 27, 2018

$256$

#### Explanation:

$\text{using the "color(blue)"laws of exponents}$

•color(white)(x)(a^mb^n)^p=a^(mp)b^(np)" and "a^0=1

${\left({4}^{1} {r}^{0}\right)}^{4}$

$= {4}^{\left(1 \times 4\right)} {r}^{\left(0 \times 4\right)}$

$= {4}^{4} {r}^{0} = 256 \times 1 = 256$