Sig Figs
How Many Sig Figs is this?
2890 cm
3 Sig Figs
Convert 1000cm to meters
10m
What place value does 98.2cm3 end in?
Tenths
Convert 45,000 to Sci. Not
4.5x104
A sample has a mass of 10g and a volume of 2ml. What is the density?
5 g/mL
Zero between two non zeroes is called what?
Captive Zero
Convert 5km to meters
5000m
If a pumpkin weighs 135g what is the weight of 10 pumpkins?
1350g
How many sig figs in this Sci. Not?
3.2 x 10-3kL
2 Sig Figs
A rock has a mass of 45g. If the density is 3g/cm3, What is its volume?
15cm3
a zero is not significant when
There is no decimal
260000 seconds
If we know the tens place where should our estimate be?
ones place
Convert from Sci. Not to regular notation
7.89 x 106m
789000000
A metal sample has a volume of 12cm3 and a density of 7.5g/cm3, what is the mass of the sample?
90g
How many sig figs?
371.9035 mL
7 sig figs
Convert 18.0 miles to cm
290. cm
You have a ruler that measures the ones place and the tens place. What place value does your measurement have to be in to be an accurate measurement?
The tenths place
Convert 0.000048cm to Sci. Not with 3 sig figs
0.48 x 10-4cm
A Graduated Cylinder has 40mL of water, a mineral with a mass of 25g is placed in the graduated cylinder and the water rises to 70mL. What is the density of the mineral?
8.3g/mL
How many sig figs?
4.89 x 108Mg
3 Sig Figs
Convert 5L to cm3
500 cm3
A graduated cylinder has markings every 1mL. A student reads the meniscus at 17.6 mL. Where should the student estimate?
In the hundredths place.
Put 123.45600g into Sci. Not with 6 sig figs
1.23456 x 102
A metal alloy weighs 540g, when submerged under water, the water level rises from 25mL to 85mL. What’s the alloy’s density?
9g/mL