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Concept of density. This YouTube video will provide information about the concept of density. It’s great to use as an introduction to the topic or as a way to summarise the topic.

Use the dynamic worksheet to practice simplifying expressions with fractional exponents, rewriting them as radicals.

In this section, you will:

• Evaluate square roots.
• Use the product rule to simplify square roots.
• Use the quotient rule to simplify square roots.
• Add and subtract square roots.
• Rationalize denominators.
• Use rational roots.

This 20 minute YouTube video explores the differences between small and large scale agriculture and the uses of each.

Exercises requiring expressions to be re-written in 'Simple Radical Form'.