Question

how many significant figures are represented in each of the examples?
a. 32.10 m
b. 7203 l
c. 0.00312 g
d. 25,000. ml
e. 17 ml

Explanation:

Step1: Count significant - figures rule

Non - zero digits are significant. Leading zeros are not significant. Trailing zeros are significant if there is a decimal point.

Step2: Analyze a

32.10 has 4 significant figures.

Step3: Analyze b

7203 has 4 significant figures.

Step4: Analyze c

0.003129 has 4 significant figures.

Step5: Analyze d

1. has 5 significant figures.

Step6: Analyze e

17 has 2 significant figures.

Answer:

a. 4
b. 4
c. 4
d. 5
e. 2