Q. The approximate value of $\sqrt[3]{28}$ is
A) 3.0037
B) 3.037
C) 3.0086
D) 3.37
Explanation
(b)
Let $y = \sqrt[3]{28}$
Taking log on both sides, we get
$\log{y = \frac{1}{3}\log 28}$
$= \frac{1}{3} \times 1.4472$
$= 0.4824$
$\Rightarrow y = antilog\ (0.4824)$
$= 3.037$ (approximately)
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.