Que: A color “code” is defined as a sequence of four dots arranged in a row. Each dot is colored either “blue” or “green.” How many distinct codes can be formed?
(A) 2
(B) 4
(C) 8
(D) 16
(E) 32
Que: A color “code” is defined as a sequence of four dots arranged in a row. Each dot is .....
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- Max@Math Revolution
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Solution: The first dot can use Blue or Green, the second dot also can use Blue or Green, the third dot also can use Blue or Green and the Fourth dot also can use Blue or Green, so 2 * 2 * 2 * 2 = 16
Therefore, D is the correct answer.
Answer D
Therefore, D is the correct answer.
Answer D
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