Answer:
Step-by-step explanation:
Assuming the order in which he answers the questions matter the answer is the number of permutations of 8 in 10.
This is 10! / (10-8)!
= 1,814.400.
If the order does not matter then the answer is the number of combinations of 8 from 10:
This is 10!/8!*2!
= 45.
Answer:
777
Step-by-step explanation:
To find the percent of a number, divide the number you want to figure out what percent of the other number is by the other number. 42 divided by 60 is 0.7. Then you have to move the decimal two places to the right, giving you 70. The answer is 70%.
ok you too have a great day and be kind
Answer:
-2
Step-by-step explanation:
