A light-year (ly)is the distance that light travels in one year. The speed of light is 3.00 × 108 m/s. How many miles are there in 1.00 ly? (1.00 mi = 1.609 km and one year is 365.25 days.)

A) 2.87 × 1013 mi B) 9.46 × 1015 mi C) 5.88 × 1015 mi D) 9.46 × 1012 mi E) 5.88 × 1012 mi A) 2.87 × 1013 mi B) 9.46 × 1015 mi C) 5.88 × 1015 mi D) 9.46 × 1012 mi E) 5.88 × 1012 mi

Exam 1: Representing Motion

Using a digital balance the mass of a certain piece of wood is read as 12.946 g. Thinking in terms of accuracy and significant figures, what value would you record on your data sheet if the balance is accurate to one-tenth of a gram?

(Multiple Choice)

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Question 81

An American football field, including end zones, is 360 feet long and 160 feet wide. If you needed to describe it for someone in Europe using the metric system, which one of the following quantities would be closest to its area in square meters? (2.54 cm = 1.00 in.)

(Multiple Choice)

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Question 82

The length and width of a rectangle are 1.125 m and 0.606 m, respectively. You calculate the rectangle's perimeter by adding these numbers and multiplying by two. Your calculator's display reads 3.462. To the correct number of significant figures, the perimeter should be written as

(Multiple Choice)

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Question 83

Given that 1.00 in. = 2.54 cm and 1.00 yd = 36.0 in., how many meters are in 7.00 yd?

(Multiple Choice)

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Question 84

What is $\sqrt { \frac { 4.302 ( 15.6 - 1.2 ) } { 22.1 + 19.4 } }$ expressed to the correct number of significant figures?

(Short Answer)

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Question 85

What is the product of 12.56 and 2.12 expressed to the correct number of significant figures?

(Multiple Choice)

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Question 86

A 2.00-qt bottle of soda is on sale for $1.29. What should be the price of a 2.00-L bottle of the same soda to yield the same value? (1.00 qt = 0.947 L)

(Short Answer)

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Question 87

The following conversion equivalents are given: 1.00 gal = 231 $i n ^ { 3 }$ 1.0 ft = 12 in 1.0 min = 60 s If a pipe delivers water at the rate of 95 gal/min, its rate of flow in ft³/s is closest to

(Multiple Choice)

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Question 88

A jogger has a mass of 50 kg. Express her mass in grams and micrograms (µg).

(Multiple Choice)

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Question 89

The number of significant figures in 10001 is

(Multiple Choice)

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Question 90

A reasonable estimate for the mass of a typical female college student is

(Multiple Choice)

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Question 91

Express the result of the following calculation, in scientific notation, to the proper number of significant figures: $\frac { 395600.1 } { 6.72 }$ + 19

(Short Answer)

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Question 92

How many nanoseconds does it take for a computer to perform one calculation if it performs $6.7 \times 10 ^ { 7 }$ calculations per second?

(Multiple Choice)

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Question 93

Rover eats 0.50 pound of dry dog food per day. How many 5.0-kg sacks of dog food does his owner need to buy in a year? (1.0 kg weighs 2.2 lb)

(Multiple Choice)

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Question 94

A rectangular garden measures 15 m long and 13.70 m wide. What is the length of a diagonal from one corner of the garden to the other?

(Multiple Choice)

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Question 95

A person on a diet loses $1.6 \mathrm {~kg}$ in a week. How many micrograms per second (?g/s)are lost?

(Multiple Choice)

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Question 96

Hydraulicists often express rainfall in acre-feet. This is the amount of water required to cover an area of one acre to a depth of one foot. There are 640.0 acres in a square mile, and 5280 feet in one mile. How many cubic feet are there in one acre-foot?

(Short Answer)

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Question 97

A football field is 120 yd long and 50 yd wide. What is the area of the football field, in square meters, given that 1.0 yd = 91.44 cm?

(Multiple Choice)

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Question 98

Express the result of the following calculation to the proper number of significant figures: 50.19 - 7966 × 10^-3.

(Short Answer)

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Question 99

A light-year (ly)is the distance that light travels in one year. The speed of light is 3.00 × 10⁸ m/s. How many miles are there in 1.00 ly? (1.00 mi = 1.609 km and one year is 365.25 days.)

(Multiple Choice)

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Question 100

Showing 81 - 100 of 113

Exam 1: Representing Motion

Using a digital balance the mass of a certain piece of wood is read as 12.946 g. Thinking in terms of accuracy and significant figures, what value would you record on your data sheet if the balance is accurate to one-tenth of a gram?

An American football field, including end zones, is 360 feet long and 160 feet wide. If you needed to describe it for someone in Europe using the metric system, which one of the following quantities would be closest to its area in square meters? (2.54 cm = 1.00 in.)

The length and width of a rectangle are 1.125 m and 0.606 m, respectively. You calculate the rectangle's perimeter by adding these numbers and multiplying by two. Your calculator's display reads 3.462. To the correct number of significant figures, the perimeter should be written as

Given that 1.00 in. = 2.54 cm and 1.00 yd = 36.0 in., how many meters are in 7.00 yd?

What is 4.302(15.6−1.2)22.1+19.4\sqrt { \frac { 4.302 ( 15.6 - 1.2 ) } { 22.1 + 19.4 } }22.1+19.44.302(15.6−1.2)​​ expressed to the correct number of significant figures?

What is the product of 12.56 and 2.12 expressed to the correct number of significant figures?

A 2.00-qt bottle of soda is on sale for $1.29. What should be the price of a 2.00-L bottle of the same soda to yield the same value? (1.00 qt = 0.947 L)

The following conversion equivalents are given: 1.00 gal = 231 in3i n ^ { 3 }in3 1.0 ft = 12 in 1.0 min = 60 s If a pipe delivers water at the rate of 95 gal/min, its rate of flow in ft3/s is closest to

A jogger has a mass of 50 kg. Express her mass in grams and micrograms (µg).

The number of significant figures in 10001 is

A reasonable estimate for the mass of a typical female college student is

Express the result of the following calculation, in scientific notation, to the proper number of significant figures: 395600.16.72\frac { 395600.1 } { 6.72 }6.72395600.1​ + 19

How many nanoseconds does it take for a computer to perform one calculation if it performs 6.7×1076.7 \times 10 ^ { 7 }6.7×107 calculations per second?

Rover eats 0.50 pound of dry dog food per day. How many 5.0-kg sacks of dog food does his owner need to buy in a year? (1.0 kg weighs 2.2 lb)

A rectangular garden measures 15 m long and 13.70 m wide. What is the length of a diagonal from one corner of the garden to the other?

A person on a diet loses 1.6 kg1.6 \mathrm {~kg}1.6 kg in a week. How many micrograms per second (?g/s)are lost?

Hydraulicists often express rainfall in acre-feet. This is the amount of water required to cover an area of one acre to a depth of one foot. There are 640.0 acres in a square mile, and 5280 feet in one mile. How many cubic feet are there in one acre-foot?

A football field is 120 yd long and 50 yd wide. What is the area of the football field, in square meters, given that 1.0 yd = 91.44 cm?

Express the result of the following calculation to the proper number of significant figures: 50.19 - 7966 × 10-3.

A light-year (ly)is the distance that light travels in one year. The speed of light is 3.00 × 108 m/s. How many miles are there in 1.00 ly? (1.00 mi = 1.609 km and one year is 365.25 days.)

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What is $\sqrt { \frac { 4.302 ( 15.6 - 1.2 ) } { 22.1 + 19.4 } }$ expressed to the correct number of significant figures?

The following conversion equivalents are given: 1.00 gal = 231 $i n ^ { 3 }$ 1.0 ft = 12 in 1.0 min = 60 s If a pipe delivers water at the rate of 95 gal/min, its rate of flow in ft³/s is closest to

Express the result of the following calculation, in scientific notation, to the proper number of significant figures: $\frac { 395600.1 } { 6.72 }$ + 19

How many nanoseconds does it take for a computer to perform one calculation if it performs $6.7 \times 10 ^ { 7 }$ calculations per second?

A person on a diet loses $1.6 \mathrm {~kg}$ in a week. How many micrograms per second (?g/s)are lost?

Express the result of the following calculation to the proper number of significant figures: 50.19 - 7966 × 10^-3.

A light-year (ly)is the distance that light travels in one year. The speed of light is 3.00 × 10⁸ m/s. How many miles are there in 1.00 ly? (1.00 mi = 1.609 km and one year is 365.25 days.)