\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
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C
(
)
⌫
π
e
7
8
9
\(\div\)
\(\sqrt{\,}\)
\(a^{b}\)
4
5
6
\(\times\)
\(\frac{a}{b}\)
ln
1
2
3
-
cos
cos⁻¹
0
.
=
+
sin
sin⁻¹
←
→
!
tan
tan⁻¹
Over the last 5 days, I earned these tips as a waiter: \(12\), \(18\), \(15\), \(22\), and \(28\).
Find the mean tip:
7
8
9
4
5
6
1
2
3
C
0
.
dollars
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