An 8-sided fair die is rolled twice and the product of the two numbers obtained when the die is rolled two times is calculated. (a) Draw the possibility diagram of the product of the two numbers appearing on the die in each throw?

Question Completion

(b) Use the possibility diagram to calculate the probability that the product of the two numbers is

I) A prime number

ii) Not a perfect square

iii) A multiple of 5

iv) Less than or equal to 21

v) Divisible by 4 or 6

I) 0.125  (ii)0.828125   (iii)0.234375   (iv) 0.625   (v)0.65625

Step-by-step explanation:

The sample space for an 8-sided fair die rolled twice is:

(a) The possibility diagram of the product of the two numbers appearing on the die in each throw

(b)

I) A prime number

The number of products that gives prime numbers = 8  

ii) Not a perfect square  

Number of products which results in perfect squares =11

iii) A multiple of 5  

Number of products that are multiples of 5=15

iv) Less than or equal to 21

Number of products which are less than or equal to 21=40

v) Divisible by 4 or 6

Products Divisible by 4 or 6= 42

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step-by-step explanation:

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)