1. Convert the following numbers into scientific notation: 27 000 000 = 0.000 007 12= 821 = 0.000 101 = 81 250 000 000 = 0.000 000 002 05 = (a) (b) (f) 2. Change the following numbers into normal notation: (a) 5.80 x 106 (b) 6.32 x 105 (c) 8.56 x 104 (d) 2.52 x 103 (e) 2.30 x 1010 (f) 6.10 x 10-11 3. Rewrite 2800 in scientific notation having 2 significant figures.

Q1) A) Find the answers to the following problems using the rule of Significant Figures a) (10.4168) m - (6.0) m b) (1.31) ст х (2.3) сm c) (5.7621) m / (6.201) m d) (2.5000) m + (32.85) m B) Represent each answer above in the scientific notation

An astronomical unit (AU) is the average distance between the Earth and the Sun, approximately 1.50 × 10° km. The speed of light is about 3.00 x 10° m/s. Express the speed of light in astronomical units per minute. Number Units

2 8 Perform the following calculations: (6.02 × 10²3) × (7.1 × 103) = 4.2742 ×1027 (8.46 × 10-4) × (2.23 x 103) = 1.88 65 8×100 3.6 × 107/2.2 × 104 = 1.63 x 10" 9 Perform the following conversions: 27.03 cm X 3.3 × 10⁰ g X 83 mph X 3.33 × 10-³ mL X 75 μm x 4°C X 12 miles x 2.9 g X 11.7 mg x 3.62 × 10-³ L X 36 gallons X 100 yards X 77°F X 15 nm X -16°C X 29 µg X 30 = = = || = || = || = = Exploring Biology in the Laboratory 04 6.4 × 106/4.2 × 10-³ = 1,52 7.2 × 108 + 3.3 × 107 = 7.53×108 9.4 × 106 - 4.6 × 10³ = 8.94×106 nm kg km/h gallons mm °F mm pounds kg mL Ligns 3 °C m °F ounces 29x119 1590 00000 on sii byg مواد ola 3 omen 3 bab 8 a obim A M