Kjakakakksskkajsjsjsksakak ididisisisisisisi dodososososissi
Answer:
<em>P</em>arentheses/brackets
<em>E</em>xponents
<em>M</em>ultiply
<em>D</em>ivide
<em>A</em>dd
<em>S</em>ubtract
0.33/3 = 0.11
One banana cost $0.11
0.11 * 5 = $0.55 for 5 bananas

OK. Let's go to your question:
a) |-100| - 98 = 100 - 98 = 2
b) 5|2 - 8| = 5|-6| = 5 · 6 = 30