Performing Operations with Scientific Notation (Grade 8)

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Performing Operations with Scientific Notation

1. 
Choose the correct answer.
[math](8.6xx10^13)/(4.1xx10^3)[/math]
  1. [math] 2.1xx10^-16 [/math]
  2. [math] 2.9xx10^10 [/math]
  3. [math] 2.09xx10^16 [/math]
  4. [math] 2.1xx10^10[/math]
2. 
Choose the correct answer.
[math](1.7xx10^5)xx(2.3xx10^8)[/math]
  1. [math] 3.91xx10^-3 [/math]
  2. [math] 3.19xx10^-3 [/math]
  3. [math] 3.91xx10^13 [/math]
  4. [math] 3.19xx10^13 [/math]
3. 
Choose the correct answer.
[math](2.76xx10^-3)xx(1.93xx10^5)[/math]
  1. [math]5.3xx10^2[/math]
  2. [math]5.3xx10^-2[/math]
  3. [math]5.3xx10^3[/math]
  4. [math]5.3xx10^-3[/math]
4. 
Choose the correct answer.
[math](6.2xx10^4)xx(0.5xx10^7)[/math]
  1. [math] 3.1xx10^3 [/math]
  2. [math] 3.1xx10^11 [/math]
  3. [math] 6.2xx10^11 [/math]
  4. [math]6.2xx10^3 [/math]
5. 
Choose the correct answer.
[math](6.2xx10^7)/(0.5xx10^4)[/math]
  1. [math] 1.24xx10^4 [/math]
  2. [math] 3.1xx10^11 [/math]
  3. [math] 12.4xx10^11 [/math]
  4. [math] 3.1xx10^3 [/math]
6. 
Choose the correct answer.
[math](4.9xx10^9)/(1.6xx10^3)[/math]
  1. [math] 3.02xx10^6 [/math]
  2. [math] 3.2xx10^6 [/math]
  3. [math] 3.6xx10^6 [/math]
  4. [math] 3.06xx10^6 [/math]
7. 
Choose the correct answer.
[math](2.6xx10^3)xx(1.8xx10^9)[/math]
  1. [math] 4.68xx10^3 [/math]
  2. [math] 4.68xx10^12 [/math]
  3. [math] 4.68xx10^6 [/math]
  4. [math] 4.68xx10^9 [/math]
8. 
Choose the correct answer.
[math](2.6xx10^3)/(1.8xx10^9)[/math]
  1. [math] 1.44xx10^9 [/math]
  2. [math] 1.44xx10^6 [/math]
  3. [math] 1.44xx10^-6 [/math]
  4. [math] 1.44xx10^3 [/math]
9. 
Choose the correct answer.
[math](5.3xx10^6)xx(1.9xx10^8)[/math]
  1. [math] 1.007xx10^15 [/math]
  2. [math] 1.007xx10^14 [/math]
  3. [math] 1.007xx10^2 [/math]
  4. [math] 1.007xx10^13 [/math]
10. 
Choose the correct answer.
[math](7.1xx10^-2)/(3.6xx10^6)[/math]
  1. [math] 1.97xx10^16 [/math]
  2. [math] 1.97xx10^8 [/math]
  3. [math] 1.97xx10^-8 [/math]
  4. [math] 1.97xx10^-16 [/math]
11. 
Choose the correct answer.
[math](2.3xx10^6)/(1.5xx10^3)[/math]
  1. [math] 1.53xx10^3 [/math]
  2. [math] 1.53xx10^9 [/math]
  3. [math] 1.53xx10^6 [/math]
  4. [math] 1.53xx10^-3 [/math]
12. 
Choose the correct answer.
[math](3.5xx10^3)xx(1.6xx10^4)[/math]
  1. [math] 5.6xx10^1 [/math]
  2. [math] 5.6xx10^-7[/math]
  3. [math] 5.6xx10^7 [/math]
  4. [math] 5.6xx10^-1 [/math]
13. 
Choose the correct answer.
[math](2.6xx10^4)/(4.7xx10^6)[/math]
  1. [math] 0.55xx10^10 [/math]
  2. [math] 5.5xx10^-3 [/math]
  3. [math] 0.55xx10^2 [/math]
  4. [math] 5.5xx10^-2 [/math]
14. 
[math](5.34 xx 10^4) xx (1.23 xx 10^3)[/math]
  1. [math]6.57xx 10^7[/math]
  2. [math]6.57xx 10^1[/math]
  3. [math]6.57xx 10^12[/math]
  4. [math]6.57xx 10^-1[/math]
15. 
[math](3.54 xx 10^6)/(2.49 xx 10^2)[/math]
  1. [math]1.42 xx 10^12[/math]
  2. [math]1.42 xx 10^3[/math]
  3. [math]1.42 xx 10^8[/math]
  4. [math]1.42 xx 10^4[/math]

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