01Mod

What do sig figs tell us?

• How precise a number is

• They don't tell us anything, they're useless

• How beautiful a number is

Non-zero digits ARE always signifcant:

• True

• False

Zeros in the middle of non-zero numbers ARE NOT significant:

• True

• False

When adding and subtracting with sig figs you should...

• Look for the least amount of sig figs

• Look for the least amount of decimal places

 

When multiplying and dividing with sig figs you should...

• Look for the amount of sig figs

• Look for the least amount of decimal places

General structure of a number is scientific notation is:

• X^2

• x+y

• N/10^1

• N*10^x

Density is an ______ property

• Intensive

• Extensive

Kilogram is used for?

• Length

• Mass

• Temperature

• Volume

What’s the prefix name for this SI symbol µ? 

• Macro

• Kilo

• Tera

• Micro

What's an example of a heterogeneous mixture?

• Salt water

• Bowl of cereal with milk

• Vinegar

• Pure air