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Question: Answered & Verified by Expert
The sides of a rectangle are 7.01m and 1.2×101 m. Taking the significant figures into account, the area of the rectangle is
PhysicsUnits and DimensionsJEE Main
Options:
  • A 84.1 m2
  • B 84.00 m2
  • C 84.12 m2
  • D 84 m2
Solution:
2418 Upvotes Verified Answer
The correct answer is: 84 m2
Given,

Side of rectangle are 7.01m and 12m .

Area of rectangle=Length×Breadth

=7.01×12=84.12 m2

Rounded of two significant figures.

Area of rectangle =84 m2

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