### Physical Separation of Mixtures

```Warmup – Scientific Notation
1. Write the following numbers in scientific
notation:
a) 0.0045834 mm
b) 0.03054 g
c) 438 904 s
d) 7 004 300 000 g
(p. 50, #75)
Warmup – Scientific Notation
1. Write the following numbers in scientific
notation:
a) 0.0045834 mm 4.5834 x 10-3 mm
b) 0.03054 g
3.054 x 10-2 g
c) 438 904 s
4.38904 x 105 s
d) 7 004 300 000 g 7.0043 x 109 g
(p. 50, #75)
Warmup – Scientific Notation
2. Complete the following addition and
subtraction problems in scientific
notation:
a) 6.23 x 106 kL + 5.34 x 106 kL
b) 3.1 x 104 mm + 4.87 x 105 mm
c) 7.21 x 103 mg + 43.8 x 102 mg
e) 4.68 x 10-5 cg + 3.5 x 10-6 cg
g) 9.87 x 104 g – 6.2 x 103 g
j) 5.72 x 10-4 dg – 2.3 x 10-5 dg
(p. 51, #77)
Warmup – Scientific Notation
2. Complete the following addition and
subtraction problems in scientific
notation:
a) 6.23 x 106 kL + 5.34 x 106 kL 1.157 x 106 kL
b) 3.1 x 104 mm + 4.87 x 105 mm 5.18 x 105 mm
c) 7.21 x 103 mg + 43.8 x 102 mg 1.159 x 104 mg
e) 4.68 x 10-5 cg + 3.5 x 10-6 cg 5.03 x 10-5 cg
g) 9.87 x 104 g – 6.2 x 103 g
9.25 x 104 g
j) 5.72 x 10-4 dg – 2.3 x 10-5 dg 5.49 x 10-4 dg
(p. 51, #77)
Warmup – Scientific Notation
3. Complete the following multiplication
and division problems in scientific notation:
a) (4.8 x 105 km) x (2.0 x 103 km)
b) (3.33 x 10-4 m) x (3.00 x 10-5 m)
c) (1.2 x 106 m) x (1.5 x 10-7 m2)
d) (8.42 x 108 kL) ÷ (4.21 x 103 kL)
e) (8.4 x 106 m3) ÷ (2.4 x 10-3 m)
f) (3.3 x 10-4 g) ÷ (1.1 x 10-6 mL)
(p. 51, #78, different units)
Warmup – Scientific Notation
3. Complete the following multiplication
and division problems in scientific notation:
a) (4.8 x 105 km) x (2.0 x 103 km)
9.6 x 108 km2
b) (3.33 x 10-4 m) x (3.00 x 10-5 m)
c) (1.2 x 106 m) x (1.5 x 10-7 m2)
d) (8.42 x 108 kL) ÷ (4.21 x 103 kL)
e) (8.4 x 106 m3) ÷ (2.4 x 10-3 m)
f) (3.3 x 10-4 g) ÷ (1.1 x 10-6 mL)
9.99 x 10-9 m2
1.8 x 10-1 m3
2.00 x 105
3.5 x 109 m2
3.0 x 102 g/mL
(p. 51, #78, different units)
```