You have a balance that can measure mass to the nearest gram. Which measurement is written with the correct amount of precision?

A. 0.1 g

B. 11 g

C. 11.1 g

D. 11.12 g

B. 11 g

Explanation:

When we want to express a value in decimal number, we can do it in several ways.

For example, if something weighs 7.827 grams, we can write it as following:

- to the nearest gram (no decimal number) : 8g

- to the nearest 0.1 grams (one decimal) : 7.8g

- to the nearest 0.01 grams (two decimals) : 7.83g

to the nearest 0.001 grams (three decimals: 7.827g

Basically, we simply round the number to the adequate decimals.

If we are asked to rouund a value to the nearest gram (or meter, second, centimeter etc.) we need to round it to a whole number, without decimals.

In this particular case, only answer B. meets the condition.