# 49 to the 2/3 power I have put this in many calculators and have gotten different answers?

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#49^(2/3)#

##### 2 Answers

#### Explanation:

Ensure that you indicate to the calculator:

#### Explanation:

You need to be sure to tell the calculator exactly what you mean.

This can be done using brackets, or by working out one part first, pressing the equal sign, and then doing the second part.

Some calculators have an

Simply typing in:

This will give the answer

You might inadvertently tell the calculator

This will give the answer

However, if you use brackets correctly you will be showing that the base of

This actually means:

Both methods will give the same answer.

YOu can also do two steps:

Note that the answer is irrational and has been rounded to 4 decimal places.

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If the question had been

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