22. What is the smallest number by which $3600$ be divided to make it a perfect cube?
A. $110$B. $210$
C. $420$D. $450$
| Discuss
answer with explanation

Answer: Option D

Explanation:

$3600=2^4×3^2×5^2$

Therefore, the smallest number by which $3600$ needs to be divided to make it a perfect cube
$=2×3^2×5^2\\=2×9×25=450$
 
 
 
 
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