The mass of a grain of sand is about 10 to the -3 power gram.
About how many grains of sand are in the bag of sand
Answer
10 kg* (1000 g/ 1 kg)* (1 grain of sand/ 10^(-3) g)= 10^7 grains of sand.
(Note that the units cancel out so you get the answer)
The final answer is 10^7 grains of sand.
Hope this helps~
