SigFigs

The number 0.0069 has...

• 2 sigfigs

• 4 sigfigs

• 5 sigfigs

• 1 sigfig

the proper way to express 34567.01 in scientific notation WITH three significant figures is...

• 346 x 10²

• 3.45 x 10⁴

• 3.46 x 10⁴

• 350

The number 5003.20 has ....

• 4 sigfigs

• 2 sigfigs, same as decimal places

• 6 sigfigs

What is the proper way to report this calculation ?

17.34 / 3.45?

• 5.026 because the 17.34 has the most sigfigs

• 5.03 because the 3.45 has the fewest sigfigs

• 5.026087 because you need the most decimal places for accuracy

• 5 because you should round the final answer to the nearest whole number

Which is the proper way to report this calculation?

12.345 + 3.72

• 16.065 because 12.345 has the most sigfigs

• 16.1 because 3.72 has the fewest sigfigs

• 16.07 because 3.72 has the fewest decimal places

• 16 because you always round to the nearest whole number

How many significant figures does the following number have: 0.998005

• 9
• 10
• 6
• 5

How many significant figures does 1.90 × 10⁸ have?

• 3
• 4
• 6
• 8

Round 1009 to three sig figs

• 100
• 101
• 1010
• 1000

Which of the following is correct scientific notation?

• 20.35 x 10⁴
• .2035 x 10⁴
• 2035 ⁴
• 2.035 x10⁴

1145.678 + 4.56 + 623.9789 + 78.1 = ? (Use significant figures!)

• 1853.3
• 2000
• 1952.3
• 1852.3