0.
Signicant Digits and Measurement
What digits are signicant when recording a measurement?
Why?
Scienrisrs do .1 lor of. measuring. \When Scientists use an instrument (such as a ruler, graduated cyim
Name 37/
[246 if?
.
9. .a . inm- in.
mm? Practice Problems (continued)
13. Find the empirical formula of a
14.
compound, given that the compound is
found to be 47.9 percent zinc and 52.1
percent chlo
SCIENTIFIC NOTATION Name
Sciensts very often deal with very smalt and very large numbers. which can lead to a lot of
o contusion when counting zeros! We have learned to express these numbers as powers
SICK FIGS PRACTICE
' . . . v . - . : Measurement
L Seientmc 3 Number 0! Sick .[ ., -. i 7.
Measurement 7 . J . : Rounded m 1. 51C; 1,
Notation 1 Figs . _ g
! g 5 F10:- -
i z
' i
i
a.
3
LABORATORY ACTIVITY ,nk 0h
use OF THE METRIC SYSTEM sr FOR ME .
Q! d t l ASUREMENT ho (Mimi/f 3/ amt/bouts
ntro uction
of 6 many our 71 or (Jedi/9
You are accustomed to using such units as feet.