Question

4.2+7.589 in significant figures

Answer 1

Hey dear here is ur answer
4.2+7.589
11.789
=11.7
No. of significant figures =3
Hope it will help u

Answer 2

Here is your answer
4.2+7.589 =11.789.
In this addition 4.2 has digit least number of decimal places, i.e. one.The answer is to be round off to only one decimal place, and thus the answer is 11.8
3 significant figures