Name: ____________________________
Period: ________
Date: ________________________
How many significant figures are in each of the following?
1) 620 __2_____
2) .00489 __3_____
4) 52.0 _____3__
3) 8500.1 ___5____
5) 1000 __1_____
6) 730.730 ___6___
7) 5000.0 ____5___
8) 0.0780 __3_____
9) 108 ___3____
10) 7.5 x 10-5 __2____
11) 1001 __4_____
12) 500,000 __1_____
13) 5.40 ____3___
14) 210 ___2____
15) 0.00120 ___3____
Convert the following numbers into scientific notation:
Convert the following numbers into standard notation:
16) 3,400 ___________3.4 x 103________________
24) 2.30 x 104 _________23000______________
17) 0.000023 _________2.3 x 10-5_______________
25) 1.76 x 10-3 ________0.00176________________
18) 101,000 _________1.01 x 105_______________
26) 1.901 x 10-7 ______0.0000001901__________
19) 0.010 __________1.0 x 10-2____________
27) 8.65 x 10-1 _____0.865____________
20) 45.01 ____________4.501 x 101_________
28) 9.11 x 103 _______9110_____________
21) 1,000,000 ___________1 x 106___________
29) 5.40 x 101 ________54.0______________
22) 0.00671 ___________7.71 x 10-3______________
30) 1.76 x 102 ________176_____________
23) 42.50 __________4.250 x 101_________
31) 7.4 x 10-5 ________0.000074_________
Perform the following operations:
31) 4.7 x 105 x 3.4 x 10-2 = ________16000______
32) 7.00 x 10-3 + 5.7 x 10-3 = ____1.3 x 10-2_______
33) 2.09 x 104 ÷ 3.64 x 10-6 = _____5.74 x 109______
34) 1.76 x 106 ÷ 2.35 x 109 = ______7.49 x 10-4______
Round the following numbers to three significant digits:
35) 245,763 __246,000__
38) 70.0035 __70.0__
37) 0.000024 _2.40 x 10-5__
36) 1 __1.00___
39) 1,566,311 _1.57 x 106_
40) 0.0011672 __1.17 x 10-3___
Round the following numbers to two significant digits:
41) 148.6 ____150___
42) 6,246,300 _6.2 x 106____
43) 0.001 __1.0 x 10-3___
44) 404 ___4.0 x 102____
45) 500 __5.0 x 102___
46) 3,000,000 __3.0 x 106___
* Perform the operation. Don’t forget to round to the appropriate number of significant figures!!
47)
6.201 cm + 7.4 cm + 0.68 cm + 12.0 cm = 26.3
48)
8.264 g - 7.8 g = 0.5
49)
10.4168 m - 6.0 m =
4.4
50)
12.00 m + 15.001 kg = 27.00
51)
131 cm x 2.3 cm = 3.0 x 102
52)
5.7621 m x 6.201 m = 035.731
53) 20.2 cm / 7.41 s = 2.73
54) 40.002 g / 13.000005 mL = 3.0771
55) 17 + 42.76 + 4.2 = 64
56) 425.77 x 1.3 = 550
Convert the following measurements:
1) 34 mm = _3.4__ cm
2) 3 km = __3000_ m
3) 234 cm = __2.34__ m
4) 35 m = _35,000_ mm
5) 16 mg = _0.016_ g
6) 4.7 kg = __4700_ g
7) 12,345 g = _12.345_ kg
8) 2 g = _2000_ mg
9) 160 mL = _0.16__ L
Write the correct abbreviation for each metric unit:
10) Kilogram __kg___
11) Microgram _µg____
12) Nanometer __nm___
13) Meter __m___
14) Decameter __Dm___
15) Centimeter __cm___
16) Gram __g___
17) Liter __L___
18) Milligram ___mg__
19) 2000 mg = _2__ g
20) 5 L = __5000_ mL
21) 16 cm = __160__ mm
22) 104 km = _104,000_ m
23) 198 g = __0.198__ kg
24) 2500 m = _2.5 x 109_ µm
25) 480 cm = _4.8__ m
26) 75 mL = _0.075_ L
27) 65 g = _65000_ mg
28) 5.6 kg = _5.6 x 1012_ ng
29) 50 cm = _0.5_ m
30) 6.3 cm = _6.3 x 1010_ pm
31) 8 mm = _0.8_ cm
32) 5.6 m = _560_ cm
33) 120 mg = _0.12_ g
34) 63 cm _<__ 6 m
35) 5 g _>__ 508 mg
36) 1,500 mL _=__ 1.5 L
37) 536 cm _=__ 53.6 dm
38) 43 mg __<_ 5 g
39) 3.6 m _>__ 36 cm
CONVERT:
Compare using <, >, or =:
Convert the following metric measurements:
40) 1450 mg = __1.45__ g
41) 1.8 L = __1800__ mL
42) 165 cm = _1.65 x 109_ nm
43) 1.4 km = __1400__ m
44) 19 g = __0.019__ kg
45) 57.6 m = __0.0576_ km
46) 4.58 Tm = ________ m
47) 8.78 µg = __8.78 x 10-6___ g
48) 5.67 kL = __5.67 x 105_ cL
Use these conversion factors : (Remember sig dig rules)
1 foot = 0.3048 meters
16 ounces = 1 pound
1 mile = 5280 feet
1 quart = 0.9463 liters
49) Convert 26.4 ft to m:
50) Convert 0.0489 lb to g:
51) Convert 16 years to days:
52) How many feet are in 3.2 miles?
53) Change 550 grams to pounds:
1 gram = 0.002205 pounds
24 hours = 1 day
Convert the following measurements:
1) 34 mm = _3.4__ cm
2) 3 km = __3000_ m
3) 234 cm = __2.34__ m
4) 35 m = _35,000_ mm
5) 16 mg = _0.016_ g
6) 4.7 kg = __4700_ g
7) 12,345 g = _12.345_ kg
8) 2 g = _2000_ mg
9) 160 mL = _0.16__ L
Write the correct abbreviation for each metric unit:
10) Kilogram __kg___
11) Microgram _µg____
12) Nanometer __nm___
13) Meter __m___
14) Decameter __Dm___
15) Centimeter __cm___
16) Gram __g___
17) Liter __L___
18) Milligram ___mg__
19) 2000 mg = _2__ g
20) 5 L = __5000_ mL
21) 16 cm = __160__ mm
22) 104 km = _104,000_ m
23) 198 g = __0.198__ kg
24) 2500 m = _2.5 x 109_ µm
25) 480 cm = _4.8__ m
26) 75 mL = _0.075_ L
27) 65 g = _65000_ mg
28) 5.6 kg = _5.6 x 1012_ ng
29) 50 cm = _0.5_ m
30) 6.3 cm = _6.3 x 1010_ pm
31) 8 mm = _0.8_ cm
32) 5.6 m = _560_ cm
33) 120 mg = _0.12_ g
34) 63 cm _<__ 6 m
35) 5 g _>__ 508 mg
36) 1,500 mL _=__ 1.5 L
37) 536 cm _=__ 53.6 dm
38) 43 mg __<_ 5 g
39) 3.6 m _>__ 36 cm
CONVERT:
Compare using <, >, or =:
Convert the following metric measurements:
40) 1450 mg = __1.45__ g
41) 1.8 L = __1800__ mL
42) 165 cm = _1.65 x 109_ nm
43) 1.4 km = __1400__ m
44) 19 g = __0.019__ kg
45) 57.6 m = __0.0576_ km
46) 4.58 Tm = ________ m
47) 8.78 µg = __8.78 x 10-6___ g
48) 5.67 kL = __5.67 x 105_ cL
Use these conversion factors : (Remember sig dig rules)
1 foot = 0.3048 meters
16 ounces = 1 pound
1 mile = 5280 feet
1 quart = 0.9463 liters
1 gram = 0.002205 pounds
24 hours = 1 day
49) Convert 26.4 ft to m: 8.05 m
50) Convert 0.0489 lb to g: 22.2 g
51) Convert 16 years to days: 5800 days
52) How many feet are in 3.2 miles? 17000 ft
53) Change 550 grams to pounds: 1.2 lbs
54) Convert 1.7 mL to qts: 0.0018 qt
55) Change 2.6 km/day to miles/week: 11 miles/week
56) Change 60 yds/ hours to inches/ seconds: 0.6 in/sec
57) Imagine that water is leaking from a container, at a rate of 1.2 mL/hour. If this rate does not change, how many
liters of water will be lost in a week? 0.20 L/week