Answer :

1. (81)^{1/4}

In general, a^{1/n} is written as ‘n^{th} root of a’.

So, (81)^{1/4} is written as ‘4^{th} root of 81’.

2. (49)^{1/2}

In general, a^{1/n} is written as ‘n^{th} root of a’.

So, (49)^{1/2} is written as ‘square root of 49’.

3. (15)^{1/5}

In general, a^{1/n} is written as ‘n^{th} root of a’.

So, (15)^{1/5} is written as ‘5^{th} root of 15’.

4. (512)^{1/9}

In general, a^{1/n} is written as ‘n^{th} root of a’.

So, (512)^{1/9} is written as ‘9^{th} root of 512’.

5. (100)^{1/19}

In general, a^{1/n} is written as ‘n^{th} root of a’.

So, (100)^{1/19} is written as ‘19^{th} root of 100’.

6. (6)^{1/7}

In general, a^{1/n} is written as ‘n^{th} root of a’.

So, (6)^{1/7} is written as ‘7^{th} root of 6’.

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