What do the positive or negative exponents represent?
If a number is larger or smaller than 1.
Significant Figures are numbers that are ___________ with ___________.
Significant Figures are numbers that are measured with certainty.
One equivalence statement can have how many conversion factors?
2
What are the three temperature scales?
Fahrenheit, Celsius, and Kelvin
What is the formula to solve for density?
Mass / Volume
What are the three systems of measurement?
English, Metric, & SI
What is the base number for the exponents?
10
How many significant zeros are in 2045?
How many inches are in 48 cm?
19 in or 1.9 x 101 in
Convert 200°C to K
473 K
Mercury has a density of 13.6g/mL. What volume of mercury is needed to obtain 150. g of metal?
11.0 mL
What type of unit is the same for all three systems?
Time! Seconds!
Rewrite this number in standard scientific notation: 408,000
4.08 x 105
What kind of zero's are never significant?
Leading zero's
Examples: 0.00055, 02045, 0.475
Convert the following:
2.41 x 102 cm to meters
2.41 m
Convert 101°F to °C
38.3°C
What is the volume of 100.0 g of air if its density is 1.3 g/L?
76.9 L or 7.69x101 L
How does the water sit in the containers from the lab?
A
Write 0.0000772 in standard scientific notation
7.72x10-5
4.14cm x 8.7cm x 0.0036cm = (in scientific notation)
1.3 x 10-1 cm3
Convert the following 8.43 cm to mm.
84.3 mm or 8.43 x 101 mm
Convert 275K to °C
2°C
The density of a certain component of crude oil is 1.209 g/mL. What is the mass of a component with a volume of 11,200 mL?
13500 g or 1.35 x 104 g
What is this water level at? (it's in mL)
21.70 mL
Rewrite 32.05 x 103 in standard scientific notation
3.205 x 104
(84 + 100.27) / (3.5 + 2)
30
Convert the following: 235.3 mg to lbs
5.187 x 10-7 lbs
Convert 296K to °F
73.4 °F
1.375 kg of lead to its volume in cubic centimeters if the density is 11.31 g/mL.
121.3 cm3 or 1.213 x 102 cm3
What is the curvature called?