Perform Each Computation, Keeping the Proper Number of Digits in Your

Short Answer

Perform each computation, keeping the proper number of digits in your answer.
(a) $\sqrt{(20.954)(17.5)(67.34)}$
(b) $\sqrt{75}-\sqrt[5]{-35}-\sqrt[5]{35}$
(c) $\left(\frac{0.056-4.23}{\sqrt[3]{25.6}}\right)^{2}$