3. Round each of the following measurements to 3 digits. a. 0.004 095 0 d e. 18 521 000 km b. 7.245 001 cm f. 84 300.2 cm2 C. 5.0045 g g- 0.000 408 50 g d. 86 520 km h. 2.9979 x 108 m/s 4. Complete the following chart. Scientific Notation Standard Notation a. 4 900 000 000 000 mm b. 2.34 x 107 L C. 3.56 x 10-5 cm d 0.000 000 95 m 5. Convert the given measurements to the indicated units. a 430 cm m E. 0.335 kg b 1.40 m cm 0.650 L ml C. 800 mm m h. 55.0 mJ. 4.100 kg g 2.00 minutes S C. 76 g kg 0.557 s ms 6. Perform the following operations using your calculator and round to the appropriate number of significant digits. a. (2.3 x 104) (5.6 x 10-6) b. 2.9 x 106 4.7 x 10-3 7 . Carry out the following conversions using the factor-label (i.c., unit analysis) method. a. Convert 2.0 years to seconds. (The metric symbol for year is "a".) [6.3 x 10' s] b. Convert 85 km/h to m/s. [24 m/s]