Download Worksheet Scientific Notation Significant Figures with Key and more Exercises Chemistry in PDF only on Docsity!
1. Convert each of the following into scientific notation.
a) 2.7 x 10^6 b) - 2.7 x 4. Calculate the following. Give the answer in correct scientific notation.
a) 3.95 x 10^2 /1.5 x 10^6 b) (3.5 x 10^2 )(6.45 x 10^10 )
c) 4.44 x 10^7 /2.25 x 10^5 d) (4.50 x 10-^12 )(3.67 x 10-^12 )
e) 1.05 x 10-^26 / 4.2 x 10^56 f) (2.5 x 10^9 )(6.45 x 10^4 )
- Convert each of the following into scientific notation.
727 _________________________________
172000 _________________________________
0.000984 _________________________________
200.0 x 10^2 _________________________________
0.014 x 10^2 _________________________________
2560000000000000000000000000000000 __________________________
(use 4 sig. fig.)
- Convert each into decimal form.
1.56 x 10^4 _________________________________
3.6 x 10-2^ _________________________________
736.9 x 10^5 _________________________________
0.0059 x 10^5 _________________________________
0.00059 x 10-1^ _________________________________
a) 2.63 x 10-^4 b) 2.3 x 5. Calculate the following. Give the answer in correct scientific notation.
a) 2.34 x 10^65 b) 313.
- Calculate the following. Give the answer in correct scientific notation.
a) 8.95 x 10^76 / 1.25 x 10^56 b) (4.5 x 10^29 )(2.45 x 10^100 )
- Give the number of significant figures in each of the following.
a) 1.05 g ______ b) 0.0003040 mm ______
c) 29000 + 10 ft ______ d) 0.90 x 10^45 L ______
e) The number of eggs (12) that make up a dozen ______
- Determine the answer for each of the following. Be sure to use the correct number of significant figures.
a) 17.34 b) 9. 4.900 - 4.
c) 3.9 x 6.05 x 420 = d) 14.1 / 5 =
- Round each of the following to 3 significant figures.
77.0653 ____________ 6,300,178.2 ______________
0.00023350 _____________ 10.2030 _______________
2.895 x 10^21 ______________
1. Convert each of the following into scientific notation.
-
- a) 3427 b) 0.00456 c) 123,
- d) 172 e) 0.000984 f) 0.
- g) 3100.0 x 10^2 h) 0.0114 x 10^4 i) 107.
- j) 0.0000455 k) 2205.2 l) 30.0 x 10-
- m) 0.982 x 10-^3 n) 0.0473 o) 650.
- p) 3.03 x 1 0 -^1 q) 20.4 x 10^5 r) 1.
- s) 0.00565 t) 1362205.2 u) 450.0 x
- v) 1000 x 10-
- a) 3427 b) 0.00456 c) 123, 2. Determine the number of significant figures in each of the following:
- d) 172 e) 0.000984 f) 0.
- g) 3100.0 x 10^2 h) 0.0114 x 10^4 i) 107.
- j) 0.0000455 k) 2205.2 l) 30.0 x 10-
- m) 0.982 x 10-^3 n) 0.0473 o) 650.
- p) 3.03 x 10-^1 q) 20.4 x 10^5 r) 1.
- s) 0.00565 t) 1362205.2 u) 450.0 x
- v) 1000 x 10-^3 w) 546,000 + 10 x) 546,000 +
- 1.56 x 104 0.56 x 10-^2 3.69 x 10-^2 736.9 x 3. Convert each into decimal form.
- 0.00259 x 10^5 0.000459 x 10-^1 13.69 x 10-^2 6.9 x
- 0.00259 x 10^3 0.0209 x 10-
- a) 4.53 x 10^5 b) 1913. 4. Calculate the following. Give the answer in correct scientific notation.
- c) 2.34 x 10^24 d) 2.130 x
- e) 9.10 x 10^3 f) 1113.
- g) 6.18 x 10-^45 h) 4.25 x 10-
- 4.72 x 10-^44 - 1.6 x 10-
- Answers #
- a) 3.427 x 10^3 b) 4.56 x 10-^3 c) 1.23453 x
- d) 1.72 x 10^2 e) 9.84 x 10-^4 f) 5.02 x 10-
- g) 3.1000 x 10^5 h) 1.14 x 10^2 i) 1.072 x
- j) 4.55 x 10-^5 k) 2.2052 x 10^3 l) 3.00 x 10-
- m) 9.82 x 10-^4 n) 4.73 x 10-^2 o) 6.50502 x
- p) 3.03 x 10-^1 q) 2.04 x 10^6 r) 1.29 x 10^0 = 1.
- s) 5.65 x 10-^3 t) 1.3622052 x 10^6 u) 4.500 x
- v) 1.000 x 10^0 = 1.
- a) 4 b) 3 c) 2. Determine the number of significant figures in each of the following:
- d) 3 e) 3 f)
- g) 5 h) 3 i)
- j) 3 k) 5 l)
- m) 3 n) 3 o)
- p) 3 q) 3 r)
- s) 3 t) 8 u)
- v) 4 w) 5 x)
- 15600 + 100 0.0056 0.0369 73690000 + 3. Convert each into decimal form.
- 259 0.0000459 0.1369 69000 +
- 2.59 0.
- a) 2.7 x 10^6 b) - 2.7 x 4. Calculate the following. Give the answer in correct scientific notation.
- c) 2.53 x 10^24 d) 1.47 x
- e) 2.2 x 10^6 f) - 3.5 x
- g) 5.34 x 10-^44 h) - 1.2 x 10-
- a) 2.63 x 10-^4 b) 2.3 x 5. Calculate the following. Give the answer in correct scientific notation.
- c) 1.97 x 10^2 d) 1 .65 x 10-
- e) 2.5 x 10-^83 f) 1.6 x
- g) 2.000 x 10^79 h) 2.37 x 10-
Answers #
- Convert each of the following into scientific notation.
7.27 x 10^2
1.72000 x 10^5
9.84 x 10-
2.000 x 10^4
2.560 x 10^33
- Convert each into decimal form.
- Calculate the following. Give the answer in correct scientific notation.
a) 9.434 x 10^66 b) - 8.87 x 10^2
- Calculate the following. Give the answer in correct scientific notation.
a) 7.16 x 10^20 b) 1.1025 x 10^130
- Give the number of significant figures in each of the following.
a) 1.05 g 3
b) 0.0003040 mm 4
c) 29000 + 10 ft 4
d) 0.90 x 10^45 L 2
e) the number of eggs (12) that make up a dozen infinite
- Determine the answer for each of the following. Be sure to use the correct number of significant figures.
a) 45.3 b) 5.
c) 2.53 x 10^24 d) 1.47 x
