5. Estimate the density

The diameter of a metallic ball is \(4.2cm\). What is the mass of the ball, if the density of the metal is \(8.9 g\) per \(cm^3\)? (Assume \(π=\frac{22}{7}\))
 
Required density \(=\) \(g\)
 
[Note: Enter the answer upto two decimal places]
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