What does to 2 significant figures mean?

Answer 1

for eg:Round

1578 to 1 Significant place(S.f)= 2000 as you have to round the number so that there is one whole number followed by 0s

1578 to 2,s.f=2600 as you have two number rounded to the nearest ten,Followed by 0s

I hope i helped

Answer 2

Thank you so much for your help