Question

There are 8 true-false questions in an examination. how many responses re possible?

Answer 1

$2^8=256$

256

Answer 2

256  responses are possible for 8 true-false questions

Step-by-step explanation:

There are 8 true-false questions in an examination

Assuming response is mandatory

so 2 responses possible for each

Total response = 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2

= 2⁸

= 256

if its not mandatory to response then there are 3 possible

T , F , No response

= 3⁸

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