Summary of exponents, ratios and percentages
Last updated: 13 Oct 2008
In this tutorial you learned how to multiply and divide exponents, to handle negative and fractional exponents, to spot common cubes and squares.
You have also learned how to work with ratios and percentages.
Further reading
If you found this tutorial difficult then you may want to study the subjects included further.
- Exponents a comprehensive tutorial from Purplemath.
- Percent and problem solving will help if you find percentages difficult.
- Basic stuff on how percentages work, more help if you need it.
Revision
Learn the table of common squares and cubes that you saw earlier in the tutorial. You will save a great deal of time on the GMAT if you do not have to calculate them during the test.
