Significant Digits

Determine the number of significant digits of 4.7500

• 3

• 4

• 5

• 6

Determine the number of significant digits of 0.0080500

• 2

• 3

• 8

• 5

Determine the number of significant digits of 1000.

• 1

• 2

• 3

• 4

Why is the zero significant in the digit 706?

• It is an ending zero after the decimal point.

• It is a beginning zero.

• It is between 2 significant digits.

• It is not a significant digit.

Why is the 0 a significant digit in the number 15.92340?

• It is an ending zero after the decimal point.

• It is a beginning zero.

• It is between 2 significant digits.

• It is not a significant digit.

Which is correct regarding the significant digits for the number 0.0054?

• The zeroes are not significant digits since they are beginning zeroes.

• The zeroes are not significant digits since they are ending zeroes.

• They are significant since they are between significant digits.

• All zeroes are not significant digits.

In the number 207.00 the two (2) zeroes after the decimal are

• not significant since they are ending zeroes after a decimal point.

• significant since they are ending zeroes after a decimal point.

• are significant since they are after a significant digit.

• not significant since they are between 2 significant digits.

In a measurement, significant figure consist of the digits known ___________.

• only

• plus one estimated digit

• plus two estimated digits

How do we measure B with 3 significant digits?

• 9.2

• 9.20

• 9.25

• 9.00

How would you record measurement A?

• 7.8

• 7.82

• 7.825

• 7.90