plus it is written on front that If the degree of accuracy is not specified in the question, and if the answer is not exact, give the answer to three significant figures. Give answers in degrees to one decimal place.
This means if IT IS NOT EXACT, only then u should give ans to 3 sf! if the answer is 3+sf but is exact, then write the ans in 3+sf!
This means if IT IS NOT EXACT, only then u should give ans to 3 sf! if the answer is 3+sf but is exact, then write the ans in 3+sf!
the best tip is do as many past papers as u can!