Question Number 171229 by sciencestudent last updated on 10/Jun/22
Commented by mr W last updated on 10/Jun/22
$${you}\:{could}\:{mean}\:“{exactly}\:\mathrm{20}\:{apples}''\:{or} \\ $$$$“{about}\:\mathrm{20}\:{apples}''.\:{since}\:{this}\:{is}\:{not} \\ $$$${clear},\:{one}\:{can}\:{not}\:{say}\:{how}\:{many} \\ $$$${significant}\:{numbers}\:{you}\:{used}. \\ $$