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Scientific Notation
Operations with Scientific Notation
1-2 Step Equations
Types of Solutions
Harder Multi-step Equations
100

Convert to standard notation: 4.7 X 104

47,000

100

(3.2 × 105) + (4.7 × 105)

7.9 × 105

100
-7m = 63
-7m = 63 m=-9
100

How many solutions does this problem have?

2x = 2

one solution

100

3(2x - 9) = 3

x = 5

200

Convert to scientific notation: 25,360

2.536 X 104

200

(2.0 × 103)(3.0 × 104)

6.0 × 107

200

n ÷ 7 = -8

n= -56

200

How many solutions does this problem have?

2x = 2x

infinitely many solutions

200

3x + 4 + x + 2 = -30

x = -9

300

Convert to standard notation: 9.87 X 107

98,700,000

300

(3.4 x 102) + (4.57 x 103)

4.91 x 103

300
-2k-4=8
k=-6
300

How many solutions does this problem have?

7x - 35 = 0

one solution

300

2 +9(x-1) = 2

x = 1

400

Convert to scientific notation: 734,000

7.34 X 105

400

(7.1 × 108)(4.0 × 10-3)

2.84 × 106

400

(h ÷ -3) + 6 = -4

h=30

400

How many solutions does this problem have?

4x = 4x + 1

no solution

400

2(x + 3) + 1 = 31

x = 12

500

Convert to standard notation: 3.425 X 108

342,500,000

500

(4.8 x 10-3) ÷ (1.2 x 101)

4 x 10-4

500

2x + 6 = 6

x = 0

500

How many solutions does this problem have?

2(3x + 4) - 11= 7x - 13 - x + 14

infinitely many solutions

500

2x - 1 +2(x - 1) = - 7

x = -1