How many sig figs?

Front

What are significant figures?

Back

Significant figures (sig figs) are the digits in a number that contribute to its precision. This includes all non-zero digits, any zeros between significant digits, and trailing zeros in the decimal portion.

Front

How do you convert a number to scientific notation?

Back

To convert a number to scientific notation, move the decimal point to create a number between 1 and 10, then multiply by 10 raised to the power of the number of places the decimal was moved.

Front

Convert 305,000 to scientific notation.

Back

3.05 x 10^5

Front

How would you write the number 5,000 with 3 significant figures?

Back

5.00 x 10^3

Front

How many significant figures are in the number 100?

Back

1 (unless specified otherwise, such as in 100. which has 3 sig figs).

Front

How many significant figures does 0.010 m have?

Back

2 significant figures.

Front

Convert 42 L to mL.

Back

42,000 mL

Front

What is the rule for counting significant figures in a number with a decimal point?

Back

All non-zero digits are significant, any zeros between significant digits are significant, and trailing zeros in the decimal portion are significant.

Front

What is the rule for counting significant figures in a whole number without a decimal point?

Back

Only the non-zero digits are significant; leading zeros are not significant.

Front

How many significant figures are in the number 0.00420?

Back

3 significant figures.