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# The letter e problem

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I always see the letter e after a few decimal places as round but I don't understand what it represents. Can anyone explain what is the letter e here:
8.12342e-07

Mar 6, 2021

#1
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It is to denote a super small number or a large number.

In this case, 8.12342e-07 is equal to 0.000000812343

Mar 6, 2021
#2
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8.12342e-07    = 8.12342 X 10-7           edited....forgot the  ' - ' sign

Mar 6, 2021
edited by Guest  Mar 6, 2021
#3
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Guest, that is incorrect, As you can see, you can see the negative sign, so it is $8.12342 \cdot 10^{-7}$ instead.

OofPirate  Mar 6, 2021
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Wait a minute why is the guest ElectricPavlov? I am deep confusion

I think he might have logged out and replied and logged in again

OofPirate  Mar 8, 2021
edited by OofPirate  Mar 9, 2021