Add & Subtract Scientific Notation

Which number is correctly written in scientific notation?

• 5.67 x 10⁵
• 56.7 x 10³
• 0.567 x 10⁶

Tags

CCSS.8.EE.A.3

Which number is correctly written in scientific notation?

• 10.4 x 10³
• 9.99 x 10⁶
• 143.002 x 10^-4

Tags

CCSS.6.EE.A.1

 $\left(4.1\times10^5\right)+\left(5.5\times10^6\right)$  

• 5.91 x 10⁶

• 9.6 x 10⁵

• 9.6 x 10¹¹

• 4.65 x 10⁵

Tags

CCSS.6.EE.A.1

 $\left(2\times10^3\right)-\left(1.9\times10^2\right)$  

•  $1.8\times10$  

•  $1.81\times10^3$  

•  $1.81\times10^5$  

•  $0.1\times10$  

•  $0.1\times10^3$  

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.3

 $\left(8.0\times10^{13}\right)-\left(7.5\times10^{12}\right)$  

• 7.25 x 10¹³

• 7.25 x 10¹²

• 5.0 x 10¹²

• 5.0 x 10¹³

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.3

CCSS.6.NS.B.3

 $\left(5.2\times10^7\right)+\left(3.01\times10^4\right)$  

• 5.20301 x 10¹¹

• .520301 x 10⁷

• 5.20301 x 10⁷

• 5.20301 x 10⁸

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.3

 $\left(2.8\times10^8\right)+\left(5.4\times10^9\right)$  

• 5.68 x 10⁹

• 5.69 x 10⁹

• 5.67 x 10⁹

• 5.70 x 10⁹

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.3

 $\left(9.8\times10^3\right)+\left(1.07\times\times10^5\right)$  

•  $10.87\ \times\ 10^8$  

•  $1.087\times10^9$  

•  $2.15\times10^5$  

•  $1.168\times10^5$  

Tags

CCSS.6.EE.A.1

 $\left(7\times10^8\right)-\left(4\times10^6\right)$  

•  $6.96\times10^8$  

•  $3\times10^2$  

•  $6.996\times10^8$  

•  $6.96\times10^{14}$  

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.3

 $\left(8\times10^{13}\right)-\left(4.5\times10^{11}\right)$  

•  $7.55\times10^{11}$  

•  $7.55\times10^{13}$  

•  $7.955\times10^{13}$  

•  $3.5\times\times10^2$  

•  $7.955\times10^{11}$  

Tags

CCSS.6.EE.A.1

CCSS.6.NS.B.3