Question
Making use of the cube root table, find the cube root $133100$
✓
Answer
We have: $133100 = 1331 \times 100 $
$\Rightarrow\sqrt[3]{1331100}$
$=\sqrt[3]{1331\times100} $
$=11\times\sqrt[3]{100}$ By cube root table, we have: $\sqrt[3]{100}=4.642 $
$\therefore\sqrt[3]{133100}$
$=11\times\sqrt[3]{100}$
$=11\times4.642$
$=51.062$
$\Rightarrow\sqrt[3]{1331100}$
$=\sqrt[3]{1331\times100} $
$=11\times\sqrt[3]{100}$ By cube root table, we have: $\sqrt[3]{100}=4.642 $
$\therefore\sqrt[3]{133100}$
$=11\times\sqrt[3]{100}$
$=11\times4.642$
$=51.062$
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