Question

evaluate the expression 6P2

Answer 1

6P2 means to pick 2 numbers starting at 6 and going smaller:

6, 5 .... and multiply them together

Answer 2

so it doesnt matter which two numbers you pick?

Answer 3

What about 10C4?

Answer 4

it matters which numbers you pick; pick 2 numbers, starting at 6 and going down

6 5 4 3 2 1
^ ^
these 2 define 6P2 when multiplied together

Answer 5

10C4 is equal to 10P4 divided by 4!

can you show me how to pick 4 nuimbers starting with 10?

Answer 6

but i see youve closed this and asked it as a new question :) good liuck