Counting the number of Significant figures

Counting the number of Significant figures

All non-zero numbers are significant

EG: 932 has three significant figures

54.2 has three significant figures



Multiple Choice

How many significant figures are there 415.23?

• 2

• 3

• 5

Multiple Choice

How many significant figures are there in 3987?

• 4

• 3

Zeroes between non-zero numbers ARE significant

Eg: 4309 has four significant figures

35.004 has five significant figures

10.02 has four significant figures

Leading Zeroes are never significant

0123 has three significant figures

0.0005 has one significant figure

Multiple Choice

Number of significant figures in 0.0003402 are

• 3

• 4

• 7

• 8

Trailing zeros with decimals are significant

100 has one significant figure

100.20 has five significant figures

32.20000 has seven significant figures

Multiple Select

Choose all numbers that have three significant figures

• 530

• 503

• 53.20

• 0.0520

• 0.5020