Addition and Subtraction Scientific Notation

Write the answer in scientific notation.
5 x 10⁸ -   3.4 x 10⁸  =

• 2.4 x 10⁸
• 2.4 x 10⁰
• 1.6 x 10⁰
• 1.6 x 10⁸

Tags

CCSS.8.EE.A.4

Write the answer in scientific notation.
4.1 x 10⁶ +   5.5 x 10⁶  =

• 5.91 x 10⁶
• 9.6 x 10⁶
• 9.6 x 10¹¹
• 4.65 x 10⁵

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

(7.7 x 10²) + (3.1 x 10²)=

• 8.8 x 10⁴
• 10.8 x 10²
• 1.08 x 10³
• 6.6 x 10²

Tags

CCSS.8.EE.A.4

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

Tags

CCSS.8.EE.A.4

Write the answer in scientific notation.
4.1 x 10⁶ +   5.5 x 10⁶  =

• 5.91 x 10⁶
• 9.6 x 10⁶
• 9.6 x 10¹¹
• 4.65 x 10⁵

Tags

CCSS.8.EE.A.4

Write the answer in scientific notation.
5 x 10⁸ -   3.4 x 10⁸  =

• 2.4 x 10⁸
• 2.4 x 10⁰
• 1.6 x 10⁰
• 1.6 x 10⁸

Tags

CCSS.8.EE.A.4

Add using 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

1. The pitch of a sound is determined by the number of vibrations produced per second.  The note “middle C” produces 2.62 x 10² vibrations per second.  If a pianist plays middle C for 5 x 10^-1 seconds, how many vibrations will occur?

• Addition
• Subtraction
• Multiply
• Divide

Tags

CCSS.8.EE.A.4

2. On average, Mercury is about 57,000,000 km from the sun, whereas Neptune is about  km from the sun. What is the difference between Neptune’s and Mercury’s distances from the sun?

• Add
• Subtract
• Multiply
• Divide

Tags

CCSS.8.EE.A.4