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10-11-2020
Mathematics

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Suppose a certain combination lock requires three selections of numbers, each from 1 through 25. (a) How many choices are there for the first number in the combination

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11-11-2020

Answer:

25 choices

Step-by-step explanation:

Given

Possible Combinations: 1 to 25

Selections: 3 numbers

Required

Determine the number of choices of the first number

The first number of the lock can be any of 1 to 25.

This is so because when you counting from 1 to 25, there are 25 numbers

Hence, number of choices is 25 numbers

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