From paving your patio to measuring the ingredients for your latest recipe, squares, roots and powers really are part of everyday life. This free course reviews the basics of all three and also describes scientific notation, which is a convenient way of writing or displaying large numbers.
Course learning outcomes
After studying this course, you should be able to:
evaluate the squares, cubes and other powers of positive and negative numbers with or without your calculator
estimate square roots and calculate them using your calculator
describe the power notation for expressing numbers