1. Convert into scientific notation:
x x

2. Calculate the following
Calculate the following. Give the answer in correct scientific notation and significant figures.
4.53 x x – 4.6 x x x x 103 – 6.6 x x x 10-44

3. Calculate the following
Calculate the following. Give answers in correct scientific notation and sig. figs.
3.95 x 102g/1.5 x 106L 4.44 x 107m/2.25 x 105s 1.05 x 10-26g/4.2x 1056g x 1023 atoms/3.011 x 10-56ml (3.5 x 102)(6.45 x 1010) (4.50 x m)(3.67 x 10-12m) (6.88 x 102 L) (3.45 x L)

4. Convert the following:
130 g to kg 0.014cm to meters mm to km 752 ml to Liters 65.4 cm3 to liters mg to g ug to g