\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
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C
⌫
\(\pi\)
e
\(\frac{a}{b}\)
!
←
→
(
)
\(\sqrt{\,}\)
\(a^{b}\)
7
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9
\(\div\)
log
ln
4
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\(\times\)
cos
cos⁻¹
1
2
3
-
sin
sin⁻¹
0
.
=
+
tan
tan⁻¹
Find the percentage change in battery life for a device that decreased from \(8\) hours to \(6\) hours.
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4
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6
1
2
3
C
0
.
\(\,\pourcent\)
increase
decrease
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