If a tank is in the shape of a right circular cylinder whose radius and height are 7 cm and 14 cm respectively, then the capacity of cylinder is ___ $\times 10^{- 4} m^{3}$ . Give the answer up to 2 decimal places.

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Solution

Volume of the right circular cylinder $= π r^{2} h = \frac{22}{7} \times 7 \times 7 \times 14$

$= \frac{22}{7} \times \frac{7}{100}$ $\times$ $\frac{7}{100}$ $\times$ $\frac{14}{100}$
$= 2.1560 \times 10^{- 3} m^{3}$
$= 21.56 \times 10^{- 4} m^{3}$ ^.

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If a tank is in the shape of a right circular cylinder whose radius and height are 7 cm and 14 cm respectively, then the capacity of cylinder is ___ ×10−4 m3. Give the answer up to 2 decimal places.

Volume of the right circular cylinder =πr2h=227×7×7×14 =227×7100 × 7100 × 14100 =2.1560×10−3 m3 =21.56×10−4 m3 .

If a tank is in the shape of a right circular cylinder whose radius and height are 7 cm and 14 cm respectively, then the capacity of cylinder is ___ $\times 10^{- 4} m^{3}$ . Give the answer up to 2 decimal places.

Volume of the right circular cylinder $= π r^{2} h = \frac{22}{7} \times 7 \times 7 \times 14$

$= \frac{22}{7} \times \frac{7}{100}$ $\times$ $\frac{7}{100}$ $\times$ $\frac{14}{100}$
$= 2.1560 \times 10^{- 3} m^{3}$
$= 21.56 \times 10^{- 4} m^{3}$ ^.