\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
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You have a box with 10 balls, of which 6 are red and 4 are blue. How many different ways can you select 3 balls from the box such that exactly 2 of them are red? (Use a
calculatrice
!
e
\(\pi\)
(
)
%
AC
sin
cos
tan
7
8
9
/
\(\sin^{-1}\)
\(\cos^{-1}\)
\(\tan^{-1}\)
4
5
6
*
\(x^2\)
\(\sqrt{\phantom{2}}\)
x
y
1
2
3
-
ln
exp
log
0
.
=
+
to compute this.)
7
8
9
4
5
6
1
2
3
C
0
.
ways
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