Question

Two students X and Y report the mass of the same substance as 7.0 g and 7.00 g respectively, which of the following statement is correct?

Options

• Both are equally accurate.

• X is more accurate than Y.

• Y is more accurate than X.

• Both are inaccurate scientifically.

Answer 1

Y is more accurate than X.

Explanation:

Because the former contains three significant figures and the latter has two, 7.00 is more accurate than 7.0.