Worksheet on Significant Figures

Significant Figures is an important concept to learn. We should know how to round off the numbers and find the significant figures or digits .Here is the Significant Figures worksheet to practice and master the concept of the significant figures

Question 1

Find the significant figures in the below numbers

a.  1065

b. .00008

c. 101.01

d. 11.000

e. 213.0005

f. 43.6752

g. 8.0076

h. 7001002

i. .06509

j.  180.010200

Question 2

Express the following in the scientific notation with 2 significant figures-
(a) 0.012
(b) 186,000
(c) 100.01

(d) 40992

Question 3

Carry out the below calculation

a. 173 + 25.12

b. 10.3 – 1.345

c. 10.1+1.52+2.301

d.5.4?2.1

e.9.12 + .73

Question 4

Round off

a. 1.345 to 2 Significant figures

b. 0.001519  to 2 Significant figures

c. 11.3750  to 5 significant figures

d. 0.00138  to 2 significant figures

e. 451.45 to four significant figures

Question 5

Carry out the below calculation

a. $17.50 \times .0013 \times 5.1$

b.$943 \times .00345 + 101$

c. $\frac {3.5 \times 100}{.695}$

Answer



1.

a.4

b.1

c.5

d.5

e.7

f.6

g.5

h. 7

i. 4

j. 9

2.

a.$1.2 \times  10^{-2}$

b.$1.9 \times 10^{5}$

c. $1.0 \times 10^{2}$

d. $4.1 \times 10^{4}$

 

3.

a. 198

b. 9.0

c. 4.9

d. 3.3

e. 9.85

4.

a.1.3

b .0015

c. 11.375

d..0014

e. 451.4

5.

a. .12

b. 104

c. .50

Check out below post to learn about Significant figure concept

Significant Figures



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