I.
Significant Digits
A. A significant digit is:
B. The number of significant digits in a
measurement depends on:
C. When a calculation involves numbers with
different significant digits:
II. Rules to determine Significant Digits
1.
2.
3.
4.
III.
Properties
A. Qualitative-
B. Quantitative-
IV.
Reliability
A. Accuracy-
B. Percision-
I.
Scientific Notation=
A. Used to represent:
B. There are two parts to a number expression
in scientific notation
C. The basic form is:
D. PART 1:
M has a single digit to the left of the decimal with digits to right of
the decimal representing any other significant digits
E. Part 2a: n is an integer representing:
F. Part 2b: If n is positive move the decimal
point to the __________________.
The number is greater than one.
~If n is negative, move the decimal point to the
____________________.
The number is less than one.
PROBLEMS:! BELOW
III. SI
Base Units Place
unit below:
A. Mass ____________
B. Length ____________
C. Time ____________
D. Temperature ____________
E. Amount of substance ____________
F. Electric Current ____________
G. Light intensity ____________
IV. Derived Units Place
unit Below:
A. Area _____________
B. Volume _____________
C. ***Density _____________
V. SI
prefixes Place
meaning below:
A. Mega _______________
B. Kilo _______________
C. Deci _______________
D. Centi _______________
E. Milli _______________
F. Micro _______________
G. Nano _______________
H.
Pico _______________
VI. Different Volume Units Place meaning below:
A. Liter _______________
B. Milliliter _______________
PROBLEMS:
1)
Correct number of metric prefix
a)
1 centimeter = _________ meter
b)
1 _______liter = 0.001 liter
c)
1 microgram = _________ gram
d)
1 ______ volt = 1000 volts
e)
1 nanosecond = ______ second
2)
Perform these unit conversions
a)
0.001348 g to milligrams _______________
b)
3560 N to kilonewtons ________________
c)
5.29 cs to seconds ___________________
d)
81 mW to watts _____________________