Chemistry Unit 1 Test- Dimensional Analysis/Sig Figs/ Scientific Notation

Sig Figs-0.571

3

SF-6500

2

SF-402

3

SF-1.00078

6

SF-1.06 x 10 to the fourth power

3

SF-321

3

SF-0.00986

3

SF-42.08

4

SF-0.0620

3

SF-5.160

4

Sig figs with adding/subtracting?

round answer to the least amount of decimal places

Sig figs with multiplying/dividing?

round answer to the least amount of sig figs

Convert 987 micrometers to meters

.000987 m

Convert 1200 mm to km

.0012 km

Convert 826 g into kg

.826 kg

Convert 1.59 Mm into m

159,000,000 Mm

Convert 67.2 L into mL

67,200 mL

Convert 1350 ūs into s

.001350 s

Convert 112 cm into m

1.12 m

Convert 4.64 km into mm

4,640,000 m

Convert 194 dg into Mg

.0000194 Mg

Convert 6,169 ūL into cL

.6169 cL

Convert 84 g to mg

84,000 mg

177 mm to. m

.177 m

56 m to cm

5,600 cm

9.3 kg to g

9,300 mL

500 cm3 to mL

500 mL

4.0 L to dm3

4.0 dm3

844 mg to g

.844 g

3.34 m to cm

334 cm

4.00 hours to s

14,400 hours

7.00 days to minute

10,080 minutes

12.75 Mm to km

12,750 km

0.036 mL to microliters

36 microliters

1,210000 micrograms to kg

.00121 kg

4.19 L to cubic decimeters

4.19 dm3

370 mL to microliters

370,000 uL

A car uses 0.05 mL of oil for each kilometer that it is driven. How much oil is consumed if the car is driven 20,000 km?

1 L

7.13 Mm into m

7,130,000 Mm

Convert 998 mL into L

.998 L

Convert 585 cL into kL

585 L

Convert 4, 614 ug into kg

.000004624 kg

Convert 12 dg into g

1.2 g

Convert the following number into scientific notation: 0.000023

2.3 x 10 to the -5

Convert the following number OUT of scientific notation:2.30 x 10 to the fourth power

23,000

SF-16.3050

6

SF- 50.007

5

SF- 0.00056

2

SF- 589,000

3

SF- 5.31 x 10 to the 6th power

3

Round to three sig figs- 4325

4330

Round to three sig figs- 53.2430

53.2

Round to three sig figs- 0.17354

.174

65.703 + 0.3=

66.0

(2.618) (0.50)=

1.3

8.640 - 2.8=

5.8

3710/ 2.53

1470

0.223 km to cm

22,300 cm

127 liters to dm3

127 dm3

125 g to kg

.125 kg

96.7 cm to m

.967 m

229 nm to m

.00000229 m

94.2 mm to cm

9.42 cm

384 g to mg

334,000 mg

478 cs to s

4.78 s

500 mm to m

.500 m

13.5 km to m

1.35 m

25,400 mm to km

.0254 km

1.87 x 10 to the 4th power mg to dg

187 dg

6.03 microliters to mL

.00603 mL

0.025 m to micrometers

25,000 um

5320 cg to kg

.05320 kg

1.5 Ms to cs

150,000,000 cs