Question

Medal!!
How many significant figures are there in the measurement 1.03 mm?
A.
1
B.
2
C.
3
D.
Unlimited

Answer 1

non-significant digits are usually zeros not surrounded by non-zeros quantities

Answer 2

okay so would that make it unlimited?

Answer 3

3

Answer 4

\(\large \begin{array}{cccllll}
1.&0&3\\
\uparrow &\uparrow &\uparrow \\
non-zero&zero&non-zero\\
significant&significant&significant
\end{array}\)

Answer 5

ok gotchya! so 3.

Answer 6

if you amount were say 1.30 then you'd only have 2 significants, the zeron won't count because is not SURROUNDED by non-zeros :)

Answer 7

okay, so 3 is right though?:)

Answer 8

yes

Answer 9

Thankyou guys!

Answer 10

yw