01:49
Measurement and Unit Conversion: Problem Involving Time and Light Bulbs, A
This clip presents a practical problem that involves predicting how frequently light bulbs will need to be replaced. The solution includes unit equivalences for converting hours to days and days to weeks.
02:38
Measurement and Unit Conversion: Exercises in Unit Conversion and Cancellation Involving Weeks and Days
This clip presents problems involving the unit equivalence for weeks and days. In the first of these, the clip states that, "
we are converting from 91 days to an equivalent number of weeks
We will convert the units by multiplying two fractions." ...
02:28
Measurement and Unit Conversion: Measuring Time
This clip explains the basic units of time and unit equivalences, including seconds, minutes, hours, days, weeks, months, years, decades and centuries.