A teacher has made ten statements for a True-False test. Four statements are true and six are false. How many distinct answer keys could there be for the test?
Question:
A teacher has made ten statements for a True-False test. Four statements are true and six are false. How many distinct answer keys could there be for the test?
Answer:
Let's think step by step.

user
210\text{ ways}
A teacher has made ten statements for a True-False test. Four statements are true and six are false. How many distinct answer keys could there be for the test?
train