Answer:
[tex]\large\boxed{4\sqrt[3]{64}=16}[/tex]
Step-by-step explanation:
[tex]\sqrt[3]{a}=b\iff b^3=a\\\\4\sqrt[3]{64}=(4)(4)=16\\\\\sqrt[3]{64}=4\ \text{because}\ 4^3=64[/tex]