Question

I need a perfect answer. Please explain the reason of your answer properly.


$\huge{Question: }$
The number of significant figures in the product of (4.42×2.1) are
(1) 2
(2) 3
(3) 4
(4) 5

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Answer 1

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The number of significant figures in the product of (4.42×2.1) are

(1) 2

(2) 3

(3) 4

(4) 5

see attachment..

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