>c)</strong> <span class="inline_math">\( 8 \div 4 \)</span>

<strong>d)</strong> <span class="inline_math">\( \frac{5}{3} \)</span>

<strong>e)</strong> <span class="inline_math">\( \frac{\pi}{2} \)</span>

</div>

</div>



<div class="miniref-exercise" data-number="1.3"><span class="exercise number">E1.3 </span>
Calculate the values of the following expressions:

<div class="multicols"><strong>a)</strong> <span class="inline_math">\( 2^33-3 \)</span>

<strong>b)</strong> <span class="inline_math">\(