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NTA Abhyas JEE Main2020PhysicsUnits and DimensionsPractice

The sides of a rectangle are 7.01 m and 1 . 2 × 10 1 m . Taking the significant figures into account, the area of the rectangle is

Options

  1. A84.1 m 2
  2. B84.00 m 2
  3. C84.12 m 2
  4. D84 m 2

Correct answer

D. 84 m 2

Step-by-step solution

Given, Side of rectangle are 7.01 m and 12 m . A r e a o f r e c t a n g l e = L e n g t h × B r e a d t h = 7.01 × 12 = 84.12 m 2 Rounded of two significant figures. Area of rectangle = 84 m 2

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