1.2 Study Flahscards

Question 1

What are the Metric prefixes and base units?

Answer 1

kilo-1,000 base units
base-1 base unit
centi-1/100 base units
milli-1/1000 base units
micro-1/1,000,000
nano-1,000,000,000
pico-1/1trillion

Question 2

How many millimeters are in 4 meters?

Answer 2

4000mm

Question 3

How many milligrams are there in 1g?

Answer 3

100mg

Question 4

What’s the difference between mass and volume?

Answer 4

Volume is the amount of space an object takes up, while mass is the amount of matter in an object.

Question 5

How to calculate median?

Answer 5

To calculate median you cross of numbers starting from the greatest and then going to the least amount until you get to the middle number. If there are two numbers you add them together and then find the mean.

Question 6

How to find the mean?

Answer 6

You add all the numbers and then divide by how many numbers occur.

Question 7

How to find standard deviation?

Answer 7

Step 1: Find the mean
Step 2: Calculate each difference from the mean
Step 3: Calculate the variance ( Take each difference square it, then average it)
Step 4: Calculate Standard deviation

Question 8

What variables go where on the graph?

Answer 8

Independent variable goes on x-axis- bottom of the graph
Dependent variable goes on the y-axis- top of the graph

Question 9

What’s direct relationship?

Answer 9

Where both variables are increasing- linear

Question 10

Whats indirect relationship?

Answer 10

When both variables are decreasing

Question 11

What’s a peak relationship on a graph?

Answer 11

A peak graph means that it makes a mountain shape (Peak) with the data that is given.