Question

I. SIGNIFICANT FIGURES. Identify the number of significant figures in each of the following: 1. 0.00054 2. 830 3. 356,000 4. 0.016500 5. 32.0040 6. \( 5.130 \times 10^{5} \) 7. 0.00452 8. 2001 9. 2020 10. 0.0000060800 II. SCIENTIFIC NOTATION. Express the following numbers in scientific notation. Answer should include three significant figures. 1. 65,000 2. 0.001327 3. \( 2,450,000 \) 4. 0.00001997 5. 6.695 III. Perform the indicated operations. All answers should be expressed in scientific notation. Apply rules for significant figures in your final answer. 1. \( \left(4.0 \times 10^{-6}\right) \times\left(3.0 \times 10^{4}\right) \) 2. \( 0.868 \mathrm{~kg}+2.35 \mathrm{~kg}-2.15 \mathrm{~kg} \) 3. \( \left(32 \times 10^{6}\right)-\left(2 \times 10^{7}\right) \) 4. \( (3.25 \mathrm{~m})(2.1 \mathrm{~m}) \) 5. \( \frac{\left(3 \times 10^{8}\right)\left(8 \times 10^{4}\right)}{\left(6 \times 10^{5}\right)} \)

          I. SIGNIFICANT FIGURES. Identify the number of significant figures in each of the following:
1. 0.00054
2. 830
3. 356,000
4. 0.016500
5. 32.0040
6. \( 5.130 \times 10^{5} \)
7. 0.00452
8. 2001
9. 2020
10. 0.0000060800
II. SCIENTIFIC NOTATION. Express the following numbers in scientific notation. Answer should include three significant figures.
1. 65,000
2. 0.001327
3. \( 2,450,000 \)
4. 0.00001997
5. 6.695
III. Perform the indicated operations. All answers should be expressed in scientific notation. Apply rules for significant figures in your final answer.
1. \( \left(4.0 \times 10^{-6}\right) \times\left(3.0 \times 10^{4}\right) \)
2. \( 0.868 \mathrm{~kg}+2.35 \mathrm{~kg}-2.15 \mathrm{~kg} \)
3. \( \left(32 \times 10^{6}\right)-\left(2 \times 10^{7}\right) \)
4. \( (3.25 \mathrm{~m})(2.1 \mathrm{~m}) \)
5. \( \frac{\left(3 \times 10^{8}\right)\left(8 \times 10^{4}\right)}{\left(6 \times 10^{5}\right)} \)

I. SIGNIFICANT FIGURES. Identify the number of significant figures in each of the following:
1. 0.00054
2. 830
3. 356,000
4. 0.016500
5. 32.0040
6. 5.130 × 10^5
7. 0.00452
8. 2001
9. 2020
10. 0.0000060800
II. SCIENTIFIC NOTATION. Express the following numbers in scientific notation. Answer should include three significant figures.
1. 65,000
2. 0.001327
3. 2,450,000
4. 0.00001997
5. 6.695
III. Perform the indicated operations. All answers should be expressed in scientific notation. Apply rules for significant figures in your final answer.
1. (4.0 × 10^-6) ×(3.0 × 10^4)
2. 0.868 kg+2.35 kg-2.15 kg
3. (32 × 10^6)-(2 × 10^7)
4. (3.25 m)(2.1 m)
5. ((3 × 10^8)(8 × 10^4))/((6 × 10^5))

Added by Melissa D.

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