Conversion of units and scientific notation

A marathon is 42.195 kilometers long. How many meters is that?

• 421.95 meters

• 42,195 meters

• 0.42195 meters

• 42,195,000 meters

A bacterium is 0.000003 meters long. How many millimeters is that?

• 0.003 millimeters
• 3 millimeters
• 0.03 millimeters
• 0.0003 millimeters

A pencil is 15 centimeters long. How many millimeters is that?

• 150 millimeters
• 15 millimeters
• 1500 millimeters

• 0.015 millimeters

A skyscraper is 300 meters tall. How many kilometers is that?

• 3 kilometers
• 30 kilometers
• 0.03 kilometers
• 0.3 kilometers

A feather weighs 0.005 kilograms. How many grams is that?

• 50 grams
• 0.5 grams
• 5 grams
• 10 grams

A car weighs 1,500 kilograms. How many grams is that?

• 15,000 grams

• 1,500 grams

• 1,500,000 grams

• 15,000,000 grams

A bag of sugar weighs 1 kilogram. How many milligrams is that?

• 0.0001 milligrams

• 10,000,000 milligrams

• 100,000 milligrams

• 1,000,000 milligrams

The average human body temperature is 98.6°F. What is this in Celsius?

• 119.88°C

• 145.48°C

• 37°C
• 22.77°C

The boiling point of water is 100°C. What is this in Fahrenheit?

• 212°F
• 180°F
• 37.77°F

• 122.4°F

A freezer is set to -10°C. What is this in Fahrenheit?

• -26.4°F

• 0°F
• 32°F
• 14°F