Math and Measurement Review

Down with the Sig Figs

100

How many significant figures does the number 1024.91 contain?

Six

200

Round 63,235,120 to three significant figures

63,200,000

300

How many significant figures are in the number 0.0040

Two

400

Round 0.04786 to three significant figures

0.0479

500

How many significant figures are in the number 287,200.

Six

Wot in Notation?

100

Write 1285000 into scientific notation

1.285 x 10⁶

200

Write 9.1 x 10^-4 in to standard notation

0.00091

300

Write .00000078 in scientific notation

7.8 x 10^-7

400

Write 1.2 x 10⁸ in standard notation

120,000,000

500

Write 41000. in scientific notation

4.1000 x 10⁴

Analyze These Vast Dimensions

100

Convert 18.3 ft into inches

220. inches

200

Convert 980km in to meters

980,000 meters

300

How many meters are in 236 cm?

2.36 meters

400

How many seconds are in 6 days?

500,000 seconds

500

Convert 758km into cm

75,800,000 cm

Dimensional Analysis 2: Electric Boogaloo

100

How many centigrams are in a gram?

100 

200

Convert 0.00378 km into mm

3780 mm

300

How many inches are in 3.5 yards (1 yard = 3 feet)

130 Inches

400

Convert 12mi in to centimeters (1 km = 0.621mi)

1900000 cm

500

How many molecules are in 4.30 moles of a substance (1 mole = 6.02 x 10²³ molecules)

2.59 x 10²⁴ molecules

Hey! Who Put This Math in My Science?!

100

Solve

 1.5 x 10³ + 8.3 x 10⁶ =

8300000

or

8.3 x 10⁶

200

Solve

3.2 x 10² * 4.3 x 10^-5 =

0.014

or 

1.4 x 10^-2

300

Solve

9.8000 x 10³ * 3.402 x 10⁵ =

3334000000

or

3.334 x 10⁹

400

Solve

(4.5 x 10^-4)/(3.2 x 10^-2) =

0.014

or 

1.4 x 10^-2

500

Solve

(7.43 x 10³ * 1.98 x 10^-4) / (5.0 x 10⁵) = 

2.94 x 10^-6