High School

Dear beloved readers, welcome to our website! We hope your visit here brings you valuable insights and meaningful inspiration. Thank you for taking the time to stop by and explore the content we've prepared for you.
------------------------------------------------ The mass of a certain grain of rice is about [tex]3 \times 10^{-2}[/tex] grams. The mass of a certain grain of salt is about [tex]6 \times 10^{-5}[/tex] grams.