Significant Digits and Precision

There are __?__ significant digits in the number 0.00076

• 2
• 4
• 5
• 6

There are __?__ significant digits in the number 90,000.00

• 1
• 2
• 5
• 7

How many significant figures does the following number have: 0.002040

• 6
• 4
• 3
• 2

Which of the following is the answer for the problem with the correct number of significant digits?

24.32 + 1.2

• 25.6

• 25.52

• 25.5

• 25

Which of the following is the answer for the problem with the correct number of significant digits?
23.91 x 12.861 = 307.50651

• 308
• 307.51
• 307.5
• 307

Which of the following is the answer for the problem with the correct number of significant digits?

0.0025 x 1.41

• 0.00

• 0.004

• 0.00353

• 0.0035

Solve & Round to Correct Sig Figs.
4.5 + 4.32 = 

• 8.8
• 8.7
• 8
• 8.0

Divide these numbers and show the correct number of significant figures

0.04263 ÷ 0.306

• 0.139

• 0.1393

• 0.13931

• 0.14