Evaluate each exponential expression in Exercises 1–22. (−3)⁰

Evaluate each expression for $p=-4$, $q=8$, and $r=-10$. $\(\frac{3p + 3(4 + p)^3}{r + 8}\)$

Simplify each expression. Assume all variables represent nonzero real numbers. -(p²q³/r³)⁰

Write each expression without negative exponents, and evaluate if possible. Assume all variables represent nonzero real numbers. (5t)^-3

Evaluate the radical.

$-\(\sqrt{\frac14}\)$

Evaluate the radical.

$\(\sqrt{\left(-5\right)^2}\)$

Write ∛64 using exponents and evaluate.