Adding and Subtracting Scientific Notations

3.2 x 10² + 2.2 x 10²

• 5.7 x 10²

• 57 x 10²

• 5.7 x 10⁴

Tags

CCSS.8.EE.A.4

Find the sum (5.5 x 10⁵) + (2.5 x 10⁵).

• 8 x 10¹⁰
• 8 x 10⁵
• 8 x 10⁰
• 8 x 106 

Tags

CCSS.8.EE.A.4

Find the sum. (2 x 10⁰) + (3 x 10⁰).

• 6 x 10⁰
• 5 x 10⁰
• 6 x 10¹
• 6 x 10²

Tags

CCSS.5.NBT.A.2

Find the sum.  (8.0 x 10³) + (1.0 x 10³)

• 8 x 10³
• 9 x 10³
• 7 x 10³
• 6 x 10³

Tags

CCSS.8.EE.A.4

(2.3 x 10²)+(4.1 x 10²)=

• 6.4 x 10⁴
• 6.4 x 10²
• 6.4 x 10⁰
• .64 x 10¹

Tags

CCSS.8.EE.A.4

(2.8 x 10⁸)+(5.4 x 10⁹)

• 5.68 x 10⁹
• 5.69 x 10⁹
• 5.67 x 10⁹
• 5.70 x 10⁹

Tags

CCSS.8.EE.A.4

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

Tags

CCSS.8.EE.A.4

(3.6 X 10^-2) + (4.0 X 10^-1)= 

• 4.36 X 10^-1
• 4.36 X 10^-2
• 7.6 X 10^-1
• 7.6 X 10^-2

Tags

CCSS.8.EE.A.4

When writing a number in scientific notation, the first number must be greater than 1, but less than 10.

• False
• True

Tags

CCSS.8.EE.A.3

Find the sum. (12.20 x 10⁷) + (0.50 x 10⁸)

• 1.72 x 10⁷
• 1.75 x 10⁶
• 1.72 x 10⁷
• 1.72 x 10⁸

Tags

CCSS.8.EE.A.4