Maharashtra BoardEnglish MediumSTD 8MathsCubes and Cube Roots2 Marks
Question
Making use of the cube root table, find the cube root 0.86
✓
Answer
The number 0.86 can be written as $\frac{86}{100}.$
Now
$\sqrt[3]{0.86}$
$=\sqrt[3]{\frac{86}{100}}$
$={\frac{\sqrt[3]{86}}{\sqrt[3]{100}}}$
By cube root table, we have:
$\sqrt[3]{86}=4.414$ and $\sqrt[3]{100}=4.642$
$\therefore\sqrt[3]{0.86}$
$=\frac{\sqrt[3]{86}}{\sqrt[3]{100}}$
$=\frac{4.414}{4.642}$
$=0.951$ (upto three decimal places)
Thus, the required cube root is 0.951.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.