Exponent p-value generated in Excel

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Excel gave me a p-value of 1.44909E-09
Notice is does not say .09 but 09
This is confusing me, I am trying to analyze my data but am stuck at this point.
If it were E-9 it could be 1.44909/1000000000 ?
The rest of the data I have looks like this (blood pressure data): The mean SBP for control is 116.525 and experimental 119.125. The mean DBP for control is 67.575 and experimental 80.05. The standard deviation SBP for control is 15.076 and experimental is 20.613. The standard deviation DBP for control is 8.003 and experimental 11.856.
The p-value for the control data-set is 39%. The p-value for the experimental data-set is ????

(also, since both data sets were close in range, is the data not significant?)