Math

There are four light switches in the room. They can be in either of two positions - on or off. How many possible ways can the four switches be arranged? What if there were eight switches?

  1. 👍 0
  2. 👎 0
  3. 👁 35
asked by Karly
  1. 2^4 = 16 for four, and 2^8 = 256 for eight.

    1. 👍 0
    2. 👎 0
    posted by drwls

Respond to this Question

First Name

Your Response

Similar Questions

  1. math

    A hotel has rooms numbered 1 to 1000. One thousand visitors enter the hotel. 1. The first visitor switches on the light switches of every room. 2. The second visitor switches off the light switches of every other room, starting

    asked by al on October 20, 2014
  2. brain teaser

    You are standing outside a closed door. On the other side of the door is a room that has three light bulbs in it. The room is completely sealed off from the outside. It has no windows and nothing can get in or out except through

    asked by Tony on September 14, 2011
  3. Math(Connexus 6th) Unit 6

    A mail-order supplier of small electrical parts charges a shipping fee of $8, plus $5 for each push-button light switch ordered. If x is the number of push-button switches ordered, then the expression for the total cost of an

    asked by Can you help me please(I need answers fast) on December 6, 2017
  4. 8th grade

    A panel of four light switches can be set in 2^4 ways. A panel of lfive light switches can be set in twice this many ways. In how many ways can five light switches be set? I got 2^4=16 16x2=32 Is this right. If not can someone

    asked by Johnston on October 13, 2010
  5. Algebra

    Bob is going from his house to his uncle Sam's house in another state. He started running. After a while he switches to a bicycle. After a while he switches to a truck. After a while he switches to a sports car. After a while he

    asked by Juliana on April 23, 2017
  6. Algebra Please Help Urgent

    Bob is going from his house to his uncle Sam's house in another state. He started running. After a while he switches to a bicycle. After a while he switches to a truck. After a while he switches to a sports car. After a while he

    asked by Anonymous on April 23, 2017
  7. Physics

    A 100-watt bulb becomes warm and glows brightly enough to light a small room. On the other hand, a 100-watt laser can cut holes in steel and would not be effective at lighting a small room. What is true about the light coming from

    asked by Andrew on November 21, 2013
  8. math

    I have a math question that goes like this: There are 500 light that have on and off switches. One person goes and turns all the lights on. The second person switches the lights from 2,4,6,8...and so on. THe 3rd person switches

    asked by Danielle on February 4, 2007
  9. electromagnetism

    #10 (5 points possible) At what frequency in Hz will this circuit have the same current with the switches open and with the switches closed? - unanswered

    asked by JuanPro on April 14, 2015
  10. Math

    A large company has a private computer network connecting 300 different sites. Each site is connected to the network independently with a switch that fails with probability 1% on any given day. 1. What is the probability that

    asked by Steven on October 1, 2012

More Similar Questions