Try this:

=AVERAGE(Sheet1:Sheet10!B10)
--

HTH,

RD
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Please keep all correspondence within the Group, so all may benefit!
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"Karen" wrote in message
...
I have about 10 sheet tabs and in cell B3 of each sheet
tab I have an average. I want to create a summary sheet
that will average all of the averages from each 10 sheet
tabs. What operator separates each sheet tab and cell
reference?

Thank you