Question

1. Indicate the number of significant figures in each of the following quantities:

(a) 0.0590
(b) 2010
(c) 0.00122
bor of significant fiou

Answer 1

(a) 3

(b) 4

(c) 3

Explanation:

To find the number of significant figure, ignore all zeros on the left and count the remaing digits.

(a) ignore 0.0, so 590 is 3 s. f.

(b) no zeros to the left, so 4 s. f.

(c) ignore 0.00, so 122 is 3 s. f.