HBio 1.4 Study Guide

Question 1

What is the relationship between metric base units and their prefixes?

Answer 1

The prefixes precede the base unit and are decadic, meaning that they are greater or lesser by bases of ten.

Question 2

How many millimeters are in 56 nanometers?

Answer 2

0.000056 millimeters

Question 3

How many centimeters are in 784,000 nanometers?

Answer 3

0.784 centimeters

Question 4

How many nanograms in 64 milligrams?

Answer 4

64,000,000 nanograms

Question 5

How many micrometers in 0.834 centimeters?

Answer 5

8,340 micrometers

Question 6

How much does the prefix Kilo- stand for?

Answer 6

10*3 or 1000

Question 7

How much does the prefix Giga- stand for?

Answer 7

10*9 or 1,000,000,000

Question 8

What does the prefix Micro- stand for?

Answer 8

10*-6 or 0.000001

Question 9

What does the prefix Milli- stand for?

Answer 9

10*-3 or 0.001

Question 10

What is the unit of measurement for volume?

Answer 10

Liters or L

Question 11

What is the unit of measurement for mass?

Answer 11

Grams or g

Question 12

What is the difference between mass and volume?

Answer 12

Mass is the amount of matter that makes up an object while volume is the amount of space an object takes up.

Question 13

In space, would mass change or volume change?

Answer 13

Neither would change, but the weight in grams would change in space.

Question 14

What is the average of these numbers?
1, 3, 4, 6, 8, 8, 10, 24

Answer 14

The mean or average of the numbers is 8.

Question 15

What is the median of these numbers?
3, 4, 5, 8, 9, 12

Answer 15

The median would be 6.5.