Answer:
1. 0.08703 2. dekameters 3. liters
Step-by-step explanation:
They are parallel lines... so what do you mean by steps
To evaluate the combination we proceed as follows:
21C3
Given nCk we shall have:
n!/[(n-k)!k!]
thus plugging the values in the expression we get:
21!/[(21-3)!3!]
=21!/(18!×3!)
=1330
Answer: 1330
10 1/2
how I got that:
so the whole number stays the same
5/10
simplifies to
1/2
:-)
1728
x405
-------
8640
0000
6912
--------
699,840
