Question

2. (i)

Answer 1

Answer:

I. 4.8; 40

II. 0.12

Explanation:

Given the following numerical values;

a. 4.793 (it is correct to 4 significant figures).

To 3 significant figures, we have;

4.793 = 4.79

To 2 significant figures, we have;

4.793 = 4.8

b. 39.51 (it is correct to 4 significant figures).

To 3 significant figures, we have;

39.51 = 39.5

To 2 significant figures, we have;

39.51 = 40

II. To estimate $\frac {4.793}{39.51}$;

$\frac {4.8}{40} = 0.12$;