Scientific Notation - Math Worksheets 4 Kids

: ES1. Scientific Notation ...

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Scientific Notation

Add/Sub: ES1

Simplify and express in scientific notation: Example 1

Example 2

(2 × 104) + (3 × 105)

(7 × 108) – (4 × 106)

= (2 × 104) + (3 × 104) × 10

= (7 × 106) × 102 – (4 × 106)

= (2 × 104) + (30 × 104)

= (700 × 106) – (4 × 106)

= 32 × 104

= 696 × 106

= 3.2 × 105

= 6.96 × 108

Simplify each problem and express the answer in scientific notation. 1) (2 × 103) + (5 × 105)

Answer : 3) (8 × 109) – (3 × 107)

Answer : 5) (4 × 102) + (7 × 103)

Answer : 7) (1 × 106) – (8 × 104)

Answer :

2) (4 × 108) – (9 × 107)

Answer : 4) (5 × 107) + (1 × 106)

Answer : 6) (9 × 105) – (6 × 104)

Answer : 8) (5 × 109) + (3 × 108)

Answer :

Printable Math Worksheets @ www.mathworksheets4kids.com

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Answer key

Scientific Notation

Add/Sub: ES1

Simplify and express in scientific notation: Example 1

Example 2

(2 × 104) + (3 × 105)

(7 × 108) – (4 × 106)

= (2 × 104) + (3 × 104) × 10

= (7 × 106) × 102 – (4 × 106)

= (2 × 104) + (30 × 104)

= (700 × 106) – (4 × 106)

= 32 × 104

= 696 × 106

= 3.2 × 105

= 6.96 × 108

Simplify each problem and express the answer in scientific notation. 1) (2 × 103) + (5 × 105)

Answer :

5.02 × 105

3) (8 × 109) – (3 × 107)

Answer :

7.97 × 109

5) (4 × 102) + (7 × 103)

Answer :

7.4 × 103

7) (1 × 106) – (8 × 104)

Answer :

9.2 × 105

2) (4 × 108) – (9 × 107)

Answer :

3.1 × 108

4) (5 × 107) + (1 × 106)

Answer :

5.1 × 107

6) (9 × 105) – (6 × 104)

Answer :

8.4 × 105

8) (5 × 109) + (3 × 108)

Answer :

Printable Math Worksheets @ www.mathworksheets4kids.com

5.3 × 109