Show an animation presenting some common situations involving scientific notation WHEN BUYING A MOBILE PHONE, HAVE YOU EVER WONDERED…? When we go out to buy a mobile phone, there are usually two very important aspects to identify: processing speed and device memory. Memory refers to storage capacity and the units of measurement are “bytes”. This is why sellers usually say “it has 16 gigabytes of memory”; however, what does the prefix “giga-” mean? It is a representation of a measure expressed in scientific notation, which makes it easier to manage information related to electronic storage capacity. You will learn some important elements of scientific notation and their most common uses.