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Questions  

If L = 2.331 cm, B = 2.1 cm, then L + B =

a
4.431 cm
b
4.43 cm
c
4.4 cm
d
4 cm

detailed solution

Correct option is C

Given, L = 2.331 cm = 2.3(correct upto one decimal places)Since minimum significant figure is 2 and B = 2.1cm ∴  L + B = 2.3 + 2.1 = 4.4 cm

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