A test has 10 true/false questions. How many different tests can be turned in to the teacher?

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asked Dec 4, 2015 69.1k views

1 vote

A test has 10 true/false questions. How many different tests can be turned in to the teacher?

Mathematics
high-school

Dixit asked

by Dixit

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2 Answers

7 votes

Each question has 2 possible answers. There are 10 questions.

1 - 2
2 - 2
3 - 2
4 - 2
5 - 2
6 - 2
7 - 2
8 - 2
9 - 2
10 2 There can be 20 different tests.

Elton Da Costa answered Dec 5, 2015

by Elton Da Costa

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7 votes

The same as the greatest number that can be written
with 10 binary bits: 1,024

CrushedPixel answered Dec 8, 2015

by CrushedPixel

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