At 4 o’clock, Devon called 6 friends to let them know that the weather forecast called for snow. At 6 o’clock, each of those friends called 6 other friends. At 8 o’clock, each of those friends called 6 of their friends. Look at the image. An image of one person on a phone connected to six other people also on phones. Each image of the six others has six snowflakes set vertically beneath it.

Question 1
Part A

Write an expression to represent the number of people called at 6 o’clock using a base and an exponent.

Enter the correct answer in the boxes.

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Question 2
Part B

Write an expression to represent the number of people called at 8 o’clock using a base and an exponent.

Enter the correct answer in the boxes.

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Question 3
Part C

How many people were called in all? Show your work.

Enter the correct answers in the boxes.

The resumâ´es of two male applicants for a college teaching position in chemistry are placed in the same file as the resumâ´es of two female applicants. two positions become available, and the first, at the rank of assistant professor, is filled by selecting one of the four applicants at random. the second position, at the rank of instructor, is then filled by selecting at random one of the remaining three applicants. using the notation m2f1, for example, to denote the simple event that the first position is filled by the second male applicant and the second position is then filled by the first female applicant, (a) list the elements of a sample space s; (b) list the elements of s corresponding to event a that the position of assistant professor is filled by a male applicant; (c) list the elements of s corresponding to event b that exactly one of the two positions is filled by a male applicant; (d) list the elements of s corresponding to event c that neither position is filled by a male applicant; (e) list the elements of s corresponding to the event a â© b; (f) list the elements of s corresponding to the event a âş c; (g) construct a venn diagram to illustrate the intersections and unions of the events a, b, and c.