The numbers 23.982 and 3.4687 are both approximate and correct only to their last digits. Find their difference and state how many figures in the result are trustworthy.

Question

anonymous · Answer

23.982-3.4687=20.513, so 5 figures in the result are trustworthy, am I right?

loser66 · Answer

I don't get the question.

anonymous · Answer

it is about significant figures

the answer is correct

loser66 · Answer

hi, Quebec friend, in previous post, she asked for % error. So I am not sure what it is for this post. Anyway, you are better than me in this field. hehehe