**Q3: **

Using the addition rule for rational exponents, we can write in the radical form

Use the example above to help you rewrite in radical form.

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**Q10: **

Which of the following is equivalent to ?

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**Q11: **

Which of the following is equivalent to ?

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**Q12: **

Remember that .

Also, .

The first method is easier to calculate.

Which of the following is equivalent to ?

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**Q13: **

Which of the following is equivalent to ?

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**Q14: **

Calculate .

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**Q15: **

Remember that and that converting decimal bases to top heavy fractions can help you to simplify expressions with exponents.

For example,

Use the example above to help you simplify .

**Q16: **

Completely simplify .

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**Q17: **

Evaluate .

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**Q18: **

Completely simplify .

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**Q19: **

Remember that and

So, for example,

Use the example above to help you simplify .

**Q20: **

Write as a radical expression.

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