Significant Figures Daily

Why are significant figures important?

• They are not

• To annoy students

• To help with rounding

• To show the precision of a measurement

When determining significant figures in a number, what is the first thing we should look for?

• how many zeros

• where the zeros are located

• presence of a decimal

• insignificant digits

When we do not have a decimal present, which side do we start?

• Right

• Left

When a decimal is present, which side do we start?

• Right

• Left

After we choose a side to start, when do we determine the first significant digit?

• The first zero

• The last zero

• The first non-zero

• The last non-zero

After we determine the first non-zero, everything past that digit is significant, regardless of the presence of a decimal.

• TRUE

• FALSE

All digits in a counted number are significant regardless of the presence of a decimal.

• TRUE

• FALSE

All digits BEFORE the x10 to the power of something are significant in scientific notation.

• TRUE

• FALSE

How many significant figures are in this number: 1,001,000

• 1

• 2

• 4

• 7

How many significant figures are in this number: 0.000100

• 1

• 3

• 5

• 7