Answer:
A. Round of to 2 decimal places
1. 3.2567 = 3.26
2. 43.251 = 43.25
3. 832.651 = 832.65
4. 3.986 = 3.99
5. 11.123 = 11.12
B. Count the no. of SIGNIFICANT FIGURES (SF)
1. 3213 = 4
2. 3005 = 4
3. 4 560000 = 3
4. 312 000 = 3
5. 0.0000321 = 3
C. Write the correct SCIENTIFIC NOTATION (SN)
1. 361000000 = 3.61 × 10^8
2. 451000 = 4.51 × 10^5
3. 8310000 = 8.31 × 10^6
4. 75800000 = 7.58 × 10^7
5. 3589000000 = 3.589 × 10^9
6. 0.000456 = 4.56 × 10^-4
7. 0.0000123 = 1.23 × 10^-5
8. 0.00121 = 1.21 × 10^-3
9. 0.000453 = 4.53 × 10^-4
10. 0.000051 = 5.1 × 10^-5
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Answers & Comments
Answer:
A. Round of to 2 decimal places
1. 3.2567 = 3.26
2. 43.251 = 43.25
3. 832.651 = 832.65
4. 3.986 = 3.99
5. 11.123 = 11.12
B. Count the no. of SIGNIFICANT FIGURES (SF)
1. 3213 = 4
2. 3005 = 4
3. 4 560000 = 3
4. 312 000 = 3
5. 0.0000321 = 3
C. Write the correct SCIENTIFIC NOTATION (SN)
1. 361000000 = 3.61 × 10^8
2. 451000 = 4.51 × 10^5
3. 8310000 = 8.31 × 10^6
4. 75800000 = 7.58 × 10^7
5. 3589000000 = 3.589 × 10^9
6. 0.000456 = 4.56 × 10^-4
7. 0.0000123 = 1.23 × 10^-5
8. 0.00121 = 1.21 × 10^-3
9. 0.000453 = 4.53 × 10^-4
10. 0.000051 = 5.1 × 10^-5