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100
A loaf of bread has a volume of 2270 cm3 and a mass of 454 g. What is the density of bread?
454 g / 2270 cm3 = 0.2 g/cm3
100
Convert 24 inches to centimeters.
24 in x (2.54 cm / 1 in) = 60.96 cm
100
Convert into standard notation. 1.76 x 10^-3
.00176
100
(0.34 x 10^3) + (4.57 x 10^3)
(0.34 + 4.57) x 10^3 4.91 x 10^3
100
D = m/V Rewrite it so m = ?
m = V x D
200
PV = nRT Rewrite it so P = ?
P = nRT / V
200
Convert 15.24 centimeters to inches.
15.24 cm x (1 in / 2.54 cm) = 6 in
200
Convert into scientific notation. 3,400
3.4 x 10^3
200
(3.67 x 10^2) - (1.6 x 10^2)
(3.67 - 1.6) x 10^2 2.07 x 10^2
200
Convert 700 inches to feet.
700 in x 1 ft / 12in = 58.33 ft
300
A 800 g boulder has a density of 8 g/cm3. What is the volume of the boulder?
800 g / 8 g/cm3 = 100 cm3
300
Convert 38.5 feet to inches.
38.5 ft x (12 in / 1 ft) = 462 in
300
Convert into standard notation. 2.30 x 10^4
23,000
300
(4.3 x 10^8) x (2.0 x 10^6)
(4.3 x 2.0) x 10^8+6 8.6 x 10^14
300
Convert 6009 centimeters to feet. *requires two steps*
6009 cm x (1 in / 2.54 cm) x (1 ft / 12 in) = 197.15 ft
400
P1 x V1 = P2 x V2 Rewrite it so P1 =
P1 = P2 x V2 / V1
400
Convert 425,000 milliliters to liters.
425,000 mL x (1 L / 1,000 mL) = 425 L
400
Convert into scientific notation. 0.000023
2.3 x 10^-5
400
(1.5 x 10^-2) x (8.0 x 10^-1)
(1.5 x 8.0) x 10^-2+-1 12 x 10^-3 (not proper form) 1.2 x 10^-2
400
Convert into scientific notation. 45.01
4.501 x 10^1
500
A block of wood has a density of 0.6 g/cm3 and a volume of 1.2 cm3. What is the mass of the block of wood?
0.6 g/cm3 x 1.2 cm3 = 0.72g
500
Convert 0.00817 kilograms to grams.
0.00817 kg x (1,000 g / 1 kg) = 8.17 g
500
Convert into standard notation. 8.65 x 10^-1
.865
500
(8.1 x 10^-2) / (9.0 x 10^2)
(8.1 / 9.0) x 10^-2-2 0.9 x 10^-4 (not proper form/significant figures) 9.0 x 10^-5
500
(1.2 x 10^5) + (5.35 x 10^6) *exponents are different*
(.12 x 10^6) + (5.35 x 10^6) (.12 + 5.35) x 10^6 5.47 x 10^6
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