multiple-choice test contains 10 questions. There are four possible answers for each question. a) In how many ways can a student answer the questions on the test if the student answers every question? b) In how many ways can a student answer the questions on the test if the student can leave answers blank?
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Answer:
ans of a) 1 way by steady hard
ans of b) 1 way not to steady
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Answer:
a) Student can answer in 4¹⁰ ways
b) Student can answer in 5¹⁰ ways
Step-by-step explanation:
a) Each question has 4 choices, so no of ways = 4x4x4x4x4x4x4x4x4x4
b) Each question has 5 choices, 4 options and 1 blank, so no of ways = 5x5x5x5x5x5x5x5x5x5
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