Q.

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

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a

4.4 cm

b

4.431 cm

c

4.43 cm

d

4 cm

answer is C.

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Detailed Solution

Given, L = 2.331 cm = 2.3

(correct up to one decimal places)

Since minimum significant figure is 2.

and B = 2.1 cm

 L+B = 2.3+2.1 = 4.4 cm

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