Answer: If you do a lot of printing, you might feel as if you’re forever running out of ink and toner, constantly having to sort out ordering new supplies, and asking yourself the question “how many pages will my cartridge print?” or “how many pages per ink cartridge?”.
<span>Anna learns in her science class that the human eye blinks an average of 4,200,000 times a year. What is this number expressed in scientific notation?</span>
