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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