Math Is Fun Forum

atut

Member

Registered: 2008-04-23

Posts: 30

Hardddddd!

Plz help with this question:

Work out the values of m and n

5 to the power of eight multiplied by 5 to the power of four = 5 to the power of m

5 to the power of eight divided by 5 tot he power of 4 = 5 to the power of n

Plz help
:):|:(:D:o;):/:P:lol::mad:::cool:

mathsyperson

Moderator

Registered: 2005-06-22

Posts: 4,900

Re: Hardddddd!

Do you know the power laws? With them, these questions aren't too difficult.

The two you need are:

Replace a, b and c with appropriate numbers to get your answer.

For example,

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Why did the vector cross the road?
It wanted to be normal.