A security box guarding a neighborhood entrance has three buttons colored red, g
ID: 3058741 • Letter: A
Question
A security box guarding a neighborhood entrance has three buttons colored red, green, and blue. To enter, you must enter a security code, pressing four buttons in succession. How many different security codes are there? Question 7 5 pts A state lottery game consists of drawing one ping pong ball from each of three machines containing ten balls labeled from O to 9. How many possible tickets can be made if a winning ticket must match the numbers drawn in the same order they were drawn? Question 8 5 pts A child is allowed to reach into a bag and choose any two candy bars. The bag contains 5 dark chocolate bars, 5 milk chocolate bars,5 white chocolate bars, and 5 chocolate bars with almonds. How many different ways are there for the child to choose 2 bars if she must give the first bar she picks to her brother and gets to keep the second bar?Explanation / Answer
A security box guarding a neighborhood entrance has three buttons colored red, green, and blue. To enter, you must enter a security code, pressing four buttons in succession. How many different security codes are there? Question 7 5 pts A state lottery game consists of drawing one ping pong ball from each of three machines containing ten balls labeled from O to 9. How many possible tickets can be made if a winning ticket must match the numbers drawn in the same order they were drawn? Question 8 5 pts A child is allowed to reach into a bag and choose any two candy bars. The bag contains 5 dark chocolate bars, 5 milk chocolate bars,5 white chocolate bars, and 5 chocolate bars with almonds. How many different ways are there for the child to choose 2 bars if she must give the first bar she picks to her brother and gets to keep the second bar?
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