Mathematics

8th

grade

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FORM 3 CHAPTER 1 INDICES-PART 1

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10 questions

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  • 1. Multiple Choice
    1 minute
    1 pt

    Which of the following is CORRECT?

    (4)6\left(-4\right)^6 Base=6 ; Index = 4-4

    (4)6 \left(-4\right)^{6\ } Base = 4 ; Index =6

    (4)6\left(-4\right)^6 Base = (4)6\left(-4\right)^6 ; Index =6

  • 2. Multiple Choice
    1 minute
    1 pt

    Which of the following is FALSE?

    12×12×12×12=(12)4\frac{1}{2}\times\frac{1}{2}\times\frac{1}{2}\times\frac{1}{2}=\left(\frac{1}{2}\right)^4

    (5)×(5)×(5)×(5)=54\left(-5\right)\times\left(-5\right)\times\left(-5\right)\times\left(-5\right)=-5^4

    m×m×m×m×m×m×m=m7m\times m\times m\times m\times m\times m\times m=m^7

    pq×pq×pq×pq×pq=(pq)5\frac{p}{q}\times\frac{p}{q}\times\frac{p}{q}\times\frac{p}{q}\times\frac{p}{q}=\left(\frac{p}{q}\right)^5

  • 3. Multiple Choice
    1 minute
    1 pt

    Simplify  (0.2)2 ×(0.2)7\left(-0.2\right)^{2\ }\times\left(-0.2\right)^7 .

     0.250.2^5  

     0.290.2^9  

     (0.2)5\left(-0.2\right)^5  

     (0.2)9\left(-0.2\right)^9  

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