MCQ
Mark $(\checkmark)$ against the correct answer: $\sqrt[3]{216\times64}=\ ?$
- A$64$
- B$32$
- ✓$24$
- D$36$
$\sqrt[3]{216\times64}$
$=\sqrt[3]{216}\times\sqrt[3]{64}$
$=\sqrt[3]{2\times2\times2\times3\times3\times3}\times\\\sqrt[3]{2\times2\times2\times2\times2\times2}$
$=\sqrt[3]{(2)^3\times(3)^3}\times\sqrt[3]{(2)^3\times(2)^3}$
$=\sqrt[3]{(6)^3}\times\sqrt[3]{(4)^3}$
$=6\times4$
$\sqrt[3]{216\times64}=24$
$\therefore\sqrt[3]{216\times64}=24$
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