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Eighth Grade (Grade 8) Exponents Questions

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Grade 8 Exponents CCSS: 8.EE.A.1
3-3 is the same as 127.
  1. True
  2. False
Grade 8 Exponents
Simplify the expression b4⋅b2.
  1. b16
  2. b6
  3. b2
  4. b8
Grade 8 Exponents CCSS: 8.EE.A.1
Evaluate. 25×2-3
  1. 4
  2. 8
  3. -4
  4. -8
Grade 8 Exponents CCSS: 8.EE.A.1
Evaluate.

(-2)3
  1. 8
  2. -8
  3. 6
  4. 16
Grade 8 Exponents CCSS: 8.EE.A.1
Evaluate the expression.
(-7)5
  1. -16,807
  2. -2,401
  3. 16,807
  4. -343
Grade 8 Exponents
x⋅x⋅x
  1. 3x
  2. 3x3
  3. x3
  4. x
Grade 8 Exponents CCSS: 8.EE.A.1
Evaluate. 32×34
  1. 729
  2. 279
  3. 972
  4. 792
Grade 8 Exponents CCSS: 8.EE.A.1
Evaluate. 62×6-4
  1. 0.022
  2. 0.028
  3. 0.020
  4. 0.029
Grade 8 Exponents CCSS: 8.EE.A.1
Evaluate. 3-2×34
  1. 9
  2. 0.111
  3. -9
  4. -0.111
Grade 8 Exponents CCSS: 8.EE.A.1
Simplify.
812⋅816
  1. 8192
  2. 818
  3. 828
  4. 84
Grade 8 Exponents
Simplify. (x5)6
  1. x-1
  2. x11
  3. x15
  4. x30
Grade 8 Exponents CCSS: 8.EE.A.1
Which of the following is true?
  1. 100<10-3
  2. 2-3<3-2
  3. 7-2<7-3
  4. 6-2<6-1
Grade 8 Exponents CCSS: 8.EE.A.1
Evaluate. 53×56
  1. 1,953,215
  2. 1,915,352
  3. 1,935,125
  4. 1,953,125
Grade 8 Exponents CCSS: 8.EE.A.1
Evaluate.
(-5)3
  1. 15
  2. -125
  3. 225
  4. -100
Grade 8 Exponents CCSS: 8.EE.A.1
Write the power 53 as a product of the same factor.
  1. 125
  2. 3⋅3⋅3⋅3⋅3
  3. 5⋅5⋅5
  4. 15
Grade 8 Exponents CCSS: 8.EE.A.1
Evaluate. 4-3×42
  1. 0.25
  2. 0.025
  3. 0.156
  4. 0.125
Grade 8 Exponents
Simplify the expression b4×b2.
  1. b16
  2. b6
  3. b8
  4. b2
Grade 8 Exponents
Simplify. x5x8
  1. 3x
  2. x-3
  3. x13
  4. 1x13
Grade 8 Exponents CCSS: 8.EE.A.1
Evaluate. 53×5-6
  1. 0.08
  2. 0.008
  3. 0.04
  4. 125
Grade 8 Exponents CCSS: 8.EE.A.1
Evaluate. 43×42
  1. 2,410
  2. 1,240
  3. 1,024
  4. 1,224
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