Measurement

Sig Figs

100

How Many Sig Figs is this? 

2890 cm

3 Sig Figs

200

Zero between two non zeroes is called what?

Captive Zero

300

a zero is not significant when

There is no decimal

400

How many sig figs?

371.9035 mL

7 sig figs

500

How many sig figs?

4.89 x 10⁸Mg

3 Sig Figs

Dimensional analysis

100

Convert 1000cm to meters

10m

200

Convert 5km to meters

5000m

300

Convert 3.0 days to minutes

260000 seconds

400

Convert 18.0 miles to cm

290. cm

500

Convert 5L to cm³

500 cm³

Accurate Measurement

100

What place value does 98.2cm³ end in?

Tenths

200

If a pumpkin weighs 135g what is the weight of 10 pumpkins?

1350g

300

If we know the tens place where should our estimate be?

ones place

400

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

500

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.

Sci. Notation

100

Convert 45,000 to Sci. Not

4.5x10⁴

200

How many sig figs in this Sci. Not?

3.2 x 10^-3kL

2 Sig Figs

300

Convert from Sci. Not to regular notation

7.89 x 10⁶m

789000000

400

Convert 0.000048cm to Sci. Not with 3 sig figs

0.48 x 10^-4cm

500

Put 123.45600g into Sci. Not with 6 sig figs

1.23456 x 10²

Density

100

A sample has a mass of 10g and a volume of 2ml. What is the density?

5 g/mL

200

A rock has a mass of 45g. If the density is 3g/cm³, What is its volume?

15cm³

300

A metal sample has a volume of 12cm³ and a density of 7.5g/cm³, what is the mass of the sample?

90g

400

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

500

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