The volume of a regular cylinder is V =nr²h. Using the value 3.1416 for the constant n, the volume (cm³) of a cylinder of radius 2.34 cm and height 19.91 cm expressed to the correct number of significant figures is . A) 342.495 B) 343 C) 342 D) 342.49471 E) 342.49

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The volume is calculated as V = πr²h = 3.1416 * (2.34)² * 19.91. The result should be expressed with the least number of significant figures from the given values, which is 3 (from the radius 2.34).

The Volume of a Regular Cylinder Is V =Nr2h

The Volume of a Regular Cylinder Is V =Nr²h