MEDALL!!!!! A student measures the volume of a liquid and finds it to be 40mL. How many significant figures are in the measurement?

Question

anonymous · Answer

This is Science Mathematics! And the answer choices are
 a. 1 
b. 2 
c. 3 
d. 4

kewlgeek555 · Answer

I would say...A.  Please don't be mad at me if I am wrong.  /).(\

anonymous · Answer

Anyone else???

anonymous · Answer

2 is the answer for sure , when there is a unit , count all digits

anonymous · Answer

i agree with @JOELMATHEWS1234

anonymous · Answer

for example ml is there so 4 & 0 are counted

anonymous · Answer

Ooooohhh! Alright! Thank you very much! Because 40 is also .40?

anonymous · Answer

Ohh okay. Alright!! Thx!

anonymous · Answer

no , just because of the ml

anonymous · Answer

Thx! @aysian97

anonymous · Answer

don't need to convert and get confused

anonymous · Answer

Ooh okay...

austinl · Answer

$\color{red}{40}$ has one significant figure. $\color{red}{40.}$ would have 2.

anonymous · Answer

Thank you!!! @austinL

kewlgeek555 · Answer

Oh...so its 2.  Sorry @mayrabris2cute I was actually stuck between 1 & 2.  I chose 1 though.