How to find the pressure in this question

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SUMMARY

The correct pressure value is 6.4 x 10^5 Pa, as confirmed by the discussion participants. The provided answer of 6.4 x 10 Pa is identified as a typographical error due to the omission of the exponent 5. This clarification resolves the confusion regarding the pressure calculation. Participants agree on the accuracy of the original pressure measurement.

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Syndy
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I got 6.4 x 10^5 Pa

but the answer is only 6.4 x10 Pa I don't know why? Is it a mistake in the answer?!
 

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yes seems to be a typo in the answer (they forgot the exponent 5).
 
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I believe so . Thank you very much!
 

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