Task 3: Evaluate Questions

**The table below shows information about three methods of contraception:**

[tex]\[
\begin{array}{|l|c|c|c|}
\hline
& \text{Condom} & \text{Oral contraceptive} & \text{Hormone skin patch} \\
\hline
\begin{array}{l}
\text{Percentage (\%) effectiveness}
\end{array} & 98.0 & 99.7 & 99.8 \\
\hline
\begin{array}{l}
\text{How contraception is obtained}
\end{array} &
\begin{array}{c}
\text{From shops or} \\
\text{sexual health clinic}
\end{array} & \text{From doctor or sexual health clinic} & \text{From doctor or sexual health clinic} \\
\hline
\begin{array}{l}
\text{Possible side effects}
\end{array} &
\begin{array}{c}
\text{No serious} \\
\text{side effects}
\end{array} &
\begin{array}{c}
\text{Headaches,} \\
\text{nausea, high} \\
\text{blood pressure}
\end{array} &
\begin{array}{c}
\text{Headaches,} \\
\text{nausea, blood} \\
\text{clots}
\end{array} \\
\hline
\end{array}
\][/tex]

**Evaluate the use of these contraceptive methods.**

---

**A student needs a new power source for their mobile phone.**

The table below gives data about the different power sources:

[tex]\[
\begin{array}{|l|c|c|}
\hline
\text{Power source} & \text{Number of charges} & \text{Mass in grams} \\
\hline
\text{Compact} & 1 & 100 \\
\hline
\text{Large} & 5 & 200 \\
\hline
\text{High capacity} & 10 & 600 \\
\hline
\end{array}
\][/tex]

**A salesperson suggested that the student choose the large power source.**

Evaluate this decision.