परिशुद्धता मात्रा

उदाहरण

• $3.68759$ will become $3.69$ when rounded off to $2$ decimal places. Here the $3$^rd decimal $7$ is greater than $5$ , hence the $2$^nd decimal will be increased by $1$.

• $3.68459$ will become $3.68$ when rounded off to $2$ decimal places. Here the $3$^rd decimal $4$ is less than $5$ , hence the $2$^nd decimal will remain same.
• $465$ to the nearest $100$ becomes $500$ . Here $65$ is greater than $50$, hence $465$ becomes $500$ nearest $100$.
• $435$ to the nearest $100$ becomes $400$ . Here $35$ is less than $50$, hence $435$ becomes $400$ nearest $100$.
• $62$ to the nearest $10$ becomes $60$ . Here the $2$^nd digit $2$ is less than $5$ , hence $62$ becomes $60$ nearest $10$.
• $67$ to the nearest $10$ becomes $70$ . Here the $2$^nd digit $7$ is greater than $5$ , hence $67$ becomes $70$ nearest $10$,