Gujarat BoardEnglish MediumSTD 8MATHSCubes and Cube Roots3 Marks
Question
Making use of the cube root table, find the cube root $7000$
✓
Answer
We have: $700 = 70 \times 100$
$\therefore\sqrt[3]{7000}$
$=\sqrt[3]{7\times1000}$
$=\sqrt[3]{7}\times\sqrt[3]{1000}$ By the cube root table,
we have: $=\sqrt[3]{7}=1.913$ and $\sqrt[3]{1000}=10$
$\therefore\sqrt[3]{7000}$
$=\sqrt[3]{7}\times\sqrt[3]{1000}$
$=1.913\times10$
$=19.13$
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