MCQ
$\sqrt{10}\times\sqrt{15}$ is equal to:
- A$6\sqrt{5}$
- B$10\sqrt{5}$
- C$5\sqrt{6}$
- D$\sqrt{25}$
✓
Answer
- $5\sqrt{6}$
Solution:
$\sqrt{10}\times\sqrt{15}$
$=\sqrt{5\times2\times5\times3}$
$=5\sqrt{6}$
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