| Scientific Notation/Significant Figures Worksheet 3 |
1. Give the number of significant figures in each of the following.
a) 10.0005 g ______
b) 0.003423 mm ______
c) 2900 + 100 ft ______
d) 8.9 x 105 L ______
e) the number of minutes (60) that make up an hour ______
2. Determine the answer for each of the following. Be sure to use the correct number of significant figures.
a) 27.34 b) 2.8023
6.90 - 4.762
+ 13.124
c) 0.32 x 14.50 x 120 = d) 24.1 / 0.005 =
3. Round each of the following to 3 significant figures.
707.5 ____________ 2,300.2 ______________
0.0003350 _____________ 10.26730 _______________
18.95 x 1021 ______________
4. Convert each of the following into correct scientific notation.
1747 _________________________________
0.00000984 ___________________________
3200.0 x 102 ____________________________
0.002014 x 102 __________________________
25600000000000000 ______________________ (use 4 sig. fig. for the last one only)
5. Calculate the following using the correct number of significant figures.
a) 2.34 x 1047 b) 9132.0
+ 9.2 x 1046 - 1.6 x 103
6. Calculate the following using the correct number of significant figures.
a) (1.54 x 1058)(3.5 x 1060)
b) (7.9 x 1034) / (8.32 x 1023)
1. Give the number of significant figures in each of the following.
a) 10.0005 g 6
b) 0.003423 mm 4
c) 2900 + 100 ft 2
d) 8.9 x 105 L 2
e) the number of minutes (60) that make up an hour infinite
2. Determine the answer for each of the following. Be sure to use the correct number of significant figures.
a) 47.36 b) -1.960
c) 5.6 x 102 d) 5 x 103
3. Round each of the following to 3 significant figures.
708 2.30 x 103
0.000335 10.3
19.0 x 1021
4. Convert each of the following into correct scientific notation.
1.747 x 103
9.84 x 10-6
3.2000 x 105
2.014 x 10-1
2.560 x 1016
5. Calculate the following using the correct number of significant figures.
a) 3.26 x 1047 b) 7.5 x 103
6. Calculate the following using the correct number of significant figures.
a) 5.4 x 10118
b) 9.5 x 1010
a) 10.0005 g ______
b) 0.003423 mm ______
c) 2900 + 100 ft ______
d) 8.9 x 105 L ______
e) the number of minutes (60) that make up an hour ______
2. Determine the answer for each of the following. Be sure to use the correct number of significant figures.
a) 27.34 b) 2.8023
6.90 - 4.762
+ 13.124
c) 0.32 x 14.50 x 120 = d) 24.1 / 0.005 =
3. Round each of the following to 3 significant figures.
707.5 ____________ 2,300.2 ______________
0.0003350 _____________ 10.26730 _______________
18.95 x 1021 ______________
4. Convert each of the following into correct scientific notation.
1747 _________________________________
0.00000984 ___________________________
3200.0 x 102 ____________________________
0.002014 x 102 __________________________
25600000000000000 ______________________ (use 4 sig. fig. for the last one only)
5. Calculate the following using the correct number of significant figures.
a) 2.34 x 1047 b) 9132.0
+ 9.2 x 1046 - 1.6 x 103
6. Calculate the following using the correct number of significant figures.
a) (1.54 x 1058)(3.5 x 1060)
b) (7.9 x 1034) / (8.32 x 1023)
| Answers - Worksheet 3 |
a) 10.0005 g 6
b) 0.003423 mm 4
c) 2900 + 100 ft 2
d) 8.9 x 105 L 2
e) the number of minutes (60) that make up an hour infinite
2. Determine the answer for each of the following. Be sure to use the correct number of significant figures.
a) 47.36 b) -1.960
c) 5.6 x 102 d) 5 x 103
3. Round each of the following to 3 significant figures.
708 2.30 x 103
0.000335 10.3
19.0 x 1021
4. Convert each of the following into correct scientific notation.
1.747 x 103
9.84 x 10-6
3.2000 x 105
2.014 x 10-1
2.560 x 1016
5. Calculate the following using the correct number of significant figures.
a) 3.26 x 1047 b) 7.5 x 103
6. Calculate the following using the correct number of significant figures.
a) 5.4 x 10118
b) 9.5 x 1010
