Test Review

Sig Figs

100

How many sig figs are in the following number?

3.501

4 sig figs

200

How many sig figs are in the following number?: 

.00210

3 sig figs

300

Subtract the following numbers and then follow your rounding rules for sig figs.

(15.23 - .1285)

15.10

400

Multiply the following numbers and round to the correct number of sig figs (3.22 x 2.4593)

7.92

500

Divide the following numbers and round to the correct # of sig figs.

(3.732 / 4.329901) 

.8619

Scientific Notation

100

Write the following number in scientific notation:

4,567,000,000

4.567 x 10⁹

200

Write the following number in scientific notation:

.0000065301

6.5301 x 10^-6

300

(2 x 10⁴) (4 x 10³)

8 x 10⁷

400

(4 x 10⁸)/(2x10⁶)

2 x 10²

500

(3.45 x 10⁴) + (2.22 x 10²)

(3.4722 x 10⁴)

Single-Step Conversion

100

Convert 4 km to m

4000 m

200

Convert 12500 mg to g

12.5 grams

300

Convert 8.7531 liters to milliliters

8753.1 mL

400

Convert 5 years to hours

43,800 hours

500

8 x 10¹² picometers to meters

8 meters

Multi-Step Conversion

100

Convert 300 cm to mm

3000 mm

200

Convert 7.18 Kg to mg

7,180,000 / 7.18 x 10⁶ mg

300

Convert 180,000 centimeters to kilometers

1.8 km

400

Convert 65 m/s to km/hr

234 km/hr

500

Convert 110 L/day to ml/hr

4583.33 ml/hr

Mixed

100

Write the following number in scientific notation:

.002341

2.341 x 10^-3

200

Convert 80 kg to g

80,000 g

300

Multiply the following and round to the correct # of sig figs:

(4.561)(8.3321)

38.00

400

Convert 1,100,000 mg to kg

1.1 kg

500

Convert 110 m/s to km/hr

396