Question

.11 How many significant figures are in the following?

(i) Length of an object= 3.48 cm.

(ii) Mass of an object= 4.732 g.​

Answer 1

1. There are three significant figures.
2. There are four significant figures.

Additional information :

• Normally, the reported result of measurement is a number that includes all digits in the number that are known reliably plus first digit that is uncertain.
• The digits that are known reliably plus the first uncertain are known as significant figures.

Answer 2

Answer:

(i) 3 significant figures

(ii) 4 significant figures