Adding & Subtracting in scientific notation 1st period

Give the sum of (2.6 x 10⁶) + (4.2 x 10⁶)

• 6.8 x 10⁶

• 6.8 x 10¹²

• 8.4 x 10⁶

• 3.2 x 10¹²

Give the difference of (7.2 x 10^-7) - (4.5 x 10^-7)

• 2.7 x 10^-7

• 2.7 x 10⁰

• 1.17 x 10^-7

• 3.3 x 10^-7

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

Subtract withing scientific notation 
(7.32 x 10⁶) - (4.01 x 10⁸)

• -3.937 x 10⁸
• 3.937 x 10⁸
• 3.937 x 10⁷
• 3.937 x ⁻²

Write the answer in scientific notation.
4.1 x 10⁵ +   5.5 x 10⁶  =

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

Tags

CCSS.8.EE.A.4

Give the difference of (8.7 x 10⁹) - (2.5 x 10⁷)

• 6.2 x 10²

• 6.2 x 10⁹

• 7.23 x 10⁷

• 8.675 x 10⁹

Subtract withing scientific notation 
(7.32 x 10⁶) - (4.01 x 10⁸)

• -3.937 x 10⁸
• 3.937 x 10⁸
• 3.937 x 10⁷
• 3.937 x ⁻²

 $Solve\ the\ following\ question:\ 4.4\cdot10^6+1.4\cdot10^5=$  Remember to write your solution in Scientific Notation

•  $5.8\cdot10^6$  

•  $45.4\cdot10^5$  

•  $5.8\cdot10^5$  

•  $4.54\cdot10^6$  

 $Solve\ the\ following\ question:\ 9.4\cdot10^2+2.7\cdot10^3=$  Remember to write your solution in Scientific Notation

•  $12.1\cdot10^6$  

•  $1.21\cdot10^6$  

•  $36.4\cdot10^5$  

•  $3.64\cdot10^3$  

 $Solve\ the\ following\ question:\ 9.4\cdot10^{-3}+2.3\cdot10^{-4}=$  Remember to write your solution in Scientific Notation

•  $1.17\cdot10^{-4}$  

•  $1.17\cdot10^{-2}$  

•  $96.3\cdot10^{-3}$  

•  $9.63\cdot10^{-3}$