Question

what is the value of 600m+600mm with due to regards to the significant digits
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Answer 1

Explanation:Rule: In addition or subtraction, the final result should retain as many decimal places as are there in the number with the least decimal places.

Arithmetic addition =500.600 m

But least precise measurement 600 mm is correct to zero decimal place.

So final result =501 m

Answer 2

501m is the answer(•‿•)