To identify: The number of different five-button patterns that are possible if a car lock has 5-button keypad, each button has 2 numerals. The button can be used more than once.
The options are:
The correct option is
Given information:
A car lock has 5-button keypad, each button has 2 numerals. The button can be used more than once.
Explanation:
Number of button on keypad: 5
It means there are five ways in which a button can be pressed.
Repetition of button is allowed, then for each number there are five options.
Thus the number of five button patterns will become:
Therefore, there are 3125 five- button patterns are possible. Then the correct option should be
Chapter 11 Solutions
High School Math 2015 Common Core Algebra 2 Student Edition Grades 10/11
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