Adding and Subtracting Numbers Written in Scientific Notation

Add within scientific notation

(5.2 x 10⁷) + (3.01 x 10⁴)

• 5.20301 x 10¹¹

• .520301 x 10⁷

• 5.20301 x 10⁷

• 5.20301 x 10⁸

Subtract the numbers within the scientific notation.

(2 x 10³) - (1.9 x 10²)

• 1.81 x 10⁵

• 1.81 x 10³

• 1.81 x 10⁶

• 1.81 x 10⁴

Add withing scientific notation 
(5.2 x 10⁷) + (3.01 x 10⁴)

• 5.20301 x 10¹¹
• .520301 x 10⁷
• 5.20301 x 10⁷
• 5.20301 x 10⁸

Subtract the within the scientific notation. 
(2 x 10³) - (1.9 x 10²)

• 1.81 x 10⁵
• 1.81 x 10³
• 1.81 x 10⁶
• 1.81 x 10⁴

Write the answer in scientific notation.
7.3 x 10⁵  +   3.7 x 10⁵  =

• 11.0 x 10⁵
• 1.1 x 10¹⁰
• 1.10 x 10¹¹
• 1.1 x 10 ⁶

Which is the largest?
4.8 x 10^-6 
1.3 x 10²⁰
3.1 x 10^-4
9.2 x 10^-5 
9.5 x 10³²
5.9 x 10^-5
2.9 x 10²¹
8.4 x 10¹⁹

• 9.5 x 10³²
• 3.1 x 10^-4
• 8.4 x 10¹⁹
• 4.8 x 10^-6 

Convert 56,000,000,000 from standard to scientific notation form.

• 5.6 x 10⁹
• 56 x 10^-9
• 56 x 10⁹
• 5.6 x 10¹⁰

How would you write 0.0005 in scientific notation?

• 50 x 10⁵
• 5 x 10⁴
• 5 x 10³
• .5 x 10³

Rewrite 635.2 x 10⁹ in scientific notation

• 63.52 x 10¹⁰

• 6.352 x 10¹¹

• 6352 x 10⁸

• 6.352 x 10⁷

Give the difference of (6.4 x 10^-6) - (5.7 x 10^-7)

• 5.83 x 10^-6

• 7 x 10^-7

• 1.23 x 10^-13

• 1.3 x 10^-6