Name :
Score :
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
Name :
Score :
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