How many multiples of 9 are there in the open interval (π^5, π^6)?

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- Aug 11th 2012, 03:12 AM #1

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- Aug 11th 2012, 06:23 AM #2

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## Re: Can anyone help me with this one?

Hello, musngiburger!

Are you waiting for someone to provide a formula?

It is just requires a little*Thinking*.

How many multiples of 9 are there in the open interval

Use your calculator: .

The interval contains the integers:. . . . 655 integers.

One-ninth of them are multiple of 9: .