\.
Name:
fr:GJ\
Date:
_
Period: __
Significant Figures
Determine the NUMBER of sig. figs in each of the following
1) 143 g ~
2) 1.073 m
__!i_
102 9
4) 10,800 m
,3
5) 8.750
7) 40.007 dg
.5
8) 10.20 9
X
If
4
3) 0.074 kg
7-
6) 3000 m
U
9) 0.00073 cI
2-
Round each measurement to 3 sig. figs.
10) 98.473 L
9~.5L
5~o 0 rY)
13) 57.048 m
16) 87.073 L
11)0.00076321 9 D,oro/~3<f
&'1.
'L
14) 1764.9 L
l7lcD L
17) 1.777xIO' m
,.
12) 12.179
12, ~
15) 9009 m
90 10m
7 '6'll/iY ......16) 4.362x108g
4.:y~)'11c:!3-
Roundeach of the following answers to the correct number of sig figs.
(use the add/sub; mult/divide rules)
17) 8.75 9 + 15.43 9 + 19 9 = 43.13 9
18) 4.3'2 em X 1.7 em = 7.344 cm2
19) 853.2 L - 627.443 L = 225.757 L
20) 38.742 Kg / 0.421
.
=
92.02375 Kg
21) 5.47 m + 11m + 87.300 m
=
\0 '1:
103.nOm
ffi
22) 5.40 m X 3.21 m X 1.871 m = 32.431914 m3
more on the baek
.
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._ .....
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S~(h_1
Calculate the following and round your answers to the proper number of sig.
figs. (use the add/sub; mult.ldivide rules)
23) 61.2 m
+
9.35 m
+
8.6 m =
--
+eM~
24) 9.44 m - 2.1 m
=
~hs
25) 11.36 m
10.1m =
~hs
+
[7, (Pi
26) 34.61 m - 17 m =
0f\
.
t~
rY\
ON.5
27) 8.3 m X 1.22 m
=
Z
28) 0.0018 m X 0.29 m =
G
DOD
5 Z '2- ~(Y)
-
"d.,.
•
dOD 5 2. y"(l
"2..
29) 8432 m I 12.5
-
=
3
30) 0.53 m I 0.255 =
'2.
._-_.-
.. _
...
2 . 0 7 ~ 'f
(Y) ~
-
----
Z •.I rYl.
. -
-- --
.
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