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Eighth Grade (Grade 8) Exponents Questions

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Grade 8 Exponents CCSS: 8.EE.A.1
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
Grade 8 Exponents CCSS: 8.EE.A.1
[math]6^15/6^3[/math]
  1. [math]1/6^12[/math]
  2. [math]1/6^18[/math]
  3. [math]6^5[/math]
  4. [math]6^12[/math]
Grade 8 Exponents CCSS: 8.EE.A.1
Simplify.
[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 CCSS: 8.EE.A.1
Which one of the following is true?
  1. [math]4^-2 < 4^-3[/math]
  2. [math]5^-2 > 2 ^ -5[/math]
  3. [math](-2)^4 = 2^-4[/math]
  4. [math]5^2(5)^-2>2^5(2)^-5[/math]
Grade 8 Exponents CCSS: 8.EE.A.1
[math]4^6 xx 4^11[/math]
  1. [math]4^7[/math]
  2. [math]4^17[/math]
  3. [math]4^10[/math]
  4. [math]4^-5[/math]
Grade 8 Exponents CCSS: 8.EE.A.1
Express using exponents: [math]5^9 xx 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 CCSS: 8.EE.A.1
Which one shows [math]6^-3[/math]?
  1. [math]-6 xx -6 xx -6[/math]
  2. [math]1/6^3[/math]
  3. [math]6 xx 6 xx 6[/math]
  4. [math]1/6^-3[/math]
Grade 8 Exponents CCSS: 8.EE.A.1
Which one shows [math]5^-3[/math]?
  1. [math]1/125[/math]
  2. [math]1/-125[/math]
  3. [math]1/15[/math]
  4. [math]1/-15[/math]
Grade 8 Exponents CCSS: 8.EE.A.1
Grade 8 Exponents CCSS: 8.EE.A.1
Simplify [math](5^2)^7[/math] and write your answer as a power.
  1. [math]25^9[/math]
  2. [math]5^5[/math]
  3. [math]5^14[/math]
  4. [math]25^14[/math]
  5. [math]5^9[/math]
Grade 8 Exponents CCSS: 8.EE.A.1
Which of these is equivalent to [math]4^-3?[/math]
  1. [math]1/4 xx 1/4 xx 1/4[/math]
  2. [math]-4 xx -4 xx -4[/math]
  3. [math]3^4[/math]
  4. [math]4 xx 3[/math]
Grade 8 Exponents CCSS: 8.EE.A.1
[math]1/32[/math] can also be written which way?
  1. [math]2^-3[/math]
  2. [math]2^-4[/math]
  3. [math]2^-5[/math]
  4. [math]2^-6[/math]
Grade 8 Exponents CCSS: 8.EE.A.1
Simplify using a single exponent. [math](3^7*3^3)/3^8[/math]
  1. [math]3^2[/math]
  2. [math]3^18[/math]
  3. [math]3^-2[/math]
Grade 8 Exponents CCSS: 8.EE.A.1
Grade 8 Exponents CCSS: 8.EE.A.1
Simplify: [math](3^2)/(2^3).[/math]
  1. [math](6)/(6)[/math]
  2. [math]0[/math]
  3. [math](9)/(8)[/math]
  4. [math](6)/(5)[/math]
Grade 8 Exponents CCSS: 8.EE.A.1
[math]5^-2 xx 5^5[/math] is equivalent to which of the following?
  1. [math]78,125[/math]
  2. [math].008[/math]
  3. [math]125[/math]
  4. [math]51,278[/math]
Grade 8 Exponents CCSS: 8.EE.A.1
[math]2^-2 / 2^-5[/math] is equivalent to which of the following?
  1. [math]2[/math]
  2. [math]1/2[/math]
  3. [math]8[/math]
  4. [math]1/8[/math]
Grade 8 Exponents
[math]t^0 xx t^2 xx t^1xx t^-7[/math]
  1. [math]t^0[/math]
  2. [math]t^-7[/math]
  3. [math]1/t^4[/math]
  4. -4
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