Scientific Numbers (Adding and Subtracting) part 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

•  $12.1\cdot10^6$  

•  $1.21\cdot10^6$  

•  $36.4\cdot10^5$  

•  $3.64\cdot10^3$  

 $Solve\ the\ following\ question:\ 2.2\cdot10^{-6}+5.1\cdot10^{-5}=$  Remember to write your solution in Scientific Notation

•  $7.3\cdot10^{-6}$  

•  $7.3\cdot10^{-5}$  

•  $53.2\cdot10^{-6}$  

•  $5.32\cdot10^{-5}$  

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

•  $1.17\cdot10^{-4}$  

•  $1.17\cdot10^{-2}$  

•  $96.3\cdot10^{-3}$  

•  $9.63\cdot10^{-3}$  

 $Solve\ the\ following\ question:\ 5.7\cdot10^4+9.7\cdot10^4=$  Remember to write your solution in Scientific Notation

•  $15.4\cdot10^8$  

•  $1.54\cdot10^9$  

•  $15.4\cdot10^4$  

•  $1.54\cdot10^5$  

 $Solve\ the\ following\ question:\ 9.9\cdot10^4-8.7\cdot10^3=$  Remember to write your solution in Scientific Notation

•  $-1.2\cdot10^4$  

•  $1.2\cdot10^4$  

•  $90.3\cdot10^4$  

•  $9.03\cdot10^4$  

 $Solve\ the\ following\ question:\ 2.4\cdot10^{14}-8.7\cdot10^{13}=$  Remember to write your solution in Scientific Notation

•  $6.3\cdot10^{14}$  

•  $-6.3\cdot10^{14}$  

•  $15.3\cdot10^{14}$  

•  $1.53\cdot10^{14}$  

 $Solve\ the\ following\ question:\ 9.3\cdot10^{-5}-7.8\cdot10^{-6}=$  Remember to write your solution in Scientific Notation

•  $1.5\cdot10^{-5}$  

•  $1.5\cdot10^{-6}$  

•  $85.2\cdot10^{-5}$  

•  $8.52\cdot10^{-5}$  

 $Solve\ the\ following\ question:\ 9.8\cdot10^{-7}-3.4\cdot10^{-8}=$  Remember to write your solution in Scientific Notation

•  $6.4\cdot10^{-8}$  

•  $6.4\cdot10^{-7}$  

•  $9.46\cdot10^{-8}$  

•  $9.46\cdot10^{-7}$  

 $Solve\ the\ following\ question:\ 8.3\cdot10^{-7}-4.9\cdot10^{-7}=$  Remember to write your solution in Scientific Notation

•  $7.81\cdot10^{-7}$  

•  $4.4\cdot10^{-7}$  

•  $-3.4\cdot10^{-7}$  

•  $3.4\cdot10^{-7}$