a true-false examination contains 10 questions. In how many ways can a person answer the questions just by guessing? Assumed that all questions are answered. HELP ME. thanks

Question

perl · Answer

each question has two possibilities, true or false. 
using multiplication rule, you have 2 x 2 x 2 x ... x 2 ways to answer the test

anonymous · Answer

@perl what will i do then? im confused sorry.

skullpatrol · Answer

draw some simple examples :-)

skullpatrol · Answer

a true-false examination contains 1 question. In how many ways can a person answer the questions just by guessing?

skullpatrol · Answer

T
F
____
2 ways

skullpatrol · Answer

a true-false examination contains 2 questions. In how many ways can a person answer the questions just by guessing?

anonymous · Answer

@skullpatrol it contains 10 questions. but the answer on book is 1024. i really want to know how.

skullpatrol · Answer

T, T
T, F
F, T
F, F 
----
4 ways

skullpatrol · Answer

Do you see a pattern? @katches_97

skullpatrol · Answer

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