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Eighth Grade (Grade 8) Exponents Questions

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Grade 8 Exponents CCSS: 8.EE.A.1
[math]t^0 xx t^2 xx t^1xx t^-7[/math]
  1. [math]t^-4[/math]
  2. [math]t^-7[/math]
  3. [math]1/t^4[/math]
  4. -4
Grade 8 Exponents CCSS: 8.EE.A.1
Grade 8 Exponents CCSS: 8.EE.A.1
[math](5^2)^3=[/math]
  1. [math]5^5[/math]
  2. [math]5^6[/math]
  3. [math]5^8[/math]
  4. [math]125[/math]
Grade 8 Exponents
Simplify the following expression (No negative exponents):
[math](3x^6y^3)^3[/math]
  1. [math]6x^9y^6[/math]
  2. [math]9x^9y^9[/math]
  3. [math]9x^18y^9[/math]
  4. [math]27x^18y^9[/math]
Grade 8 Exponents CCSS: 8.EE.A.1
Solve.
[math]4^16[/math] multiplied by [math]4^20[/math]
  1. [math]4^36[/math]
  2. [math]4^16[/math]
  3. [math]4^320[/math]
Grade 8 Exponents
Express using exponents [math]5^9•5^3[/math]
  1. [math]5^3[/math]
  2. [math]5^9[/math]
  3. [math]5^12[/math]
  4. [math]5^2[/math]
Grade 8 Exponents
What is the expression of the following using exponents

[math]2*2*2*2[/math]
  1. [math]2^4[/math]
  2. [math]2*4[/math]
  3. [math]4*2[/math]
  4. [math]4^2[/math]
Grade 8 Exponents
Grade 8 Exponents CCSS: 8.EE.A.3
1,284,320 written in scientific notation is
  1. [math]1.28 xx 10^5[/math]
  2. [math]1.28 xx 10^6[/math]
  3. [math]1.28 xx 10^-6[/math]
  4. [math]1.28 xx 10^-5[/math]
Grade 8 Exponents
Grade 8 Exponents CCSS: 8.EE.A.1
Any number raised to the zero power is:
  1. 0
  2. 1
  3. cannot be determined
  4. 7
Grade 8 Exponents CCSS: 8.EE.A.4
Choose the correct answer.
[math](8.6xx10^13)/(4.1xx10^3)[/math]
  1. [math] 2.09xx10^-16 [/math]
  2. [math] 2.9xx10^10 [/math]
  3. [math] 2.09xx10^16 [/math]
  4. [math] 2.09xx10^10[/math]
Grade 8 Exponents CCSS: 8.EE.A.4
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]
Grade 8 Exponents
Which expression below is the number 3,000,000 (3 million) in scientific notation?
  1. [math]1.0 xx 10^6[/math]
  2. [math]3.0xx 6^10[/math]
  3. [math]3.0 xx 10^6[/math]
  4. [math]3,000,000xx10^6[/math]
Grade 8 Exponents CCSS: 8.EE.A.3
Choose the correct scientific notation for 245,389,271.
  1. [math]2.45xx10^-8[/math]
  2. [math]2.45xx10^-7[/math]
  3. [math]2.45xx10^7[/math]
  4. [math]2.45xx10^8[/math]
Grade 8 Exponents
Express the following number using proper scientific notation: [math]3910.28 xx 10^4[/math]
  1. [math]3.91028 xx10^6[/math]
  2. [math]3.91028 xx10^8[/math]
  3. [math]3.91028 xx10^7[/math]
  4. [math]39.1028xx10^5[/math]
Grade 8 Exponents CCSS: 8.EE.A.1
[math]5^-2 xx 5^5[/math] is equivalent to
  1. [math]78,125[/math]
  2. [math].008[/math]
  3. [math]125[/math]
  4. [math]51,278[/math]
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