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Indices & Probability

Authored by Shekinah Dossabhoy

Mathematics

8th Grade

Indices & Probability
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15 questions

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1.

FILL IN THE BLANKS QUESTION

30 sec • 1 pt

Media Image

What is the index number?

(a)  

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

 a×(a2)9=a\times\left(a^2\right)^9=  

 a11a^{11}  

 a12a^{12}  

 a18a^{18}  

 a19a^{19}  

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

If

 x = 32×23x\ =\ 3^2\times2^3  , then  x4x^4  =

 36×233^6\times2^3  

 36×273^6\times2^7  

 38×233^8\times2^3  

 38×2123^8\times2^{12}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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P(not A) = 
*Remember to simplify.*

6/8
3/4
2/8
1/4

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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What percent of people who play an instrument do not play a team sport?

80%
27.2%
40%
90.1%

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (53)n= 5×517\left(5^3\right)^n=\ 5^{ }\times5^{17}  . What is the value of n?

6

14

15

20

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

The diagram shows the sports played by 80 students.


If a student is picked at random, what is the probability that they play football?

66/80

4/80

18/80

49/80

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