What is the SI base unit of mass?
gram
What is 1.6x109?
1,600,000,000
All ____ digits are significant.
Convert 42.0 feet to inches.
504 in.
Another name for a number.
What is a scalar?
What does the prefix kilo mean?
Base times 100.
What is 5.03x10-2?
.0503
All ____ zeros are significant.
interior
Convert 4200 ft/sec to mil/min.
1 mi = 5280 ft
47.7 mi/min
A quantity that has both a magnitude and a direction.
What is a vector?
What does the prefix milli mean?
1/1000 of the base unit.
Simplify
(8*10^-4)/(2*10^-1)
8/2 x 10-4-(-1) = 4x10-3
decimal point
Convert 40 mi/hr to m/min.
1 in = 2.54 cm
1000 m/min
Why not 1072.896 m/min?
Adjacent over Hypotenuse
What does the U.S. use instead of the SI or metric system?
The U.S. Customary System (foot, inch, mile, pound, bushel, peck, tablespoon, etc.)
(4x2) x 105+(-8) = 8x10-3
Leading zeros after the decimal point but before the first nonzero digit are/are not significant.
Example: 0.00046
are not
Convert 6 ft2 to m2.
0.6 m2
What is sine theta?
What is a derived unit of force defined as a kilogram-meter per second squared?
The Newton.
Simplify
((0.00016*10^-7)(5000)(0.0004))/((2000*10^4)(0.0001))
16x10-15
How many significant figures are in the following number?
26.2300 cm
6
Convert 42.0 ft3/sec to m3/min
71.4 m3/min
not 71.358453 m3/min
Opposite over Adjacent
What is tangent theta?