Scientific Data Handling

How many liters are in 1 kL?

• 1000 L

• 1 kL

• 10 L

• 100 L

How many sigfigs are in the following number?

0.00012340

• 4

• 9

• 5

• 8

Reorder the following from smallest to biggest

• kilo

• base unit

• centi

• mili

• micro

Which number is the estimated number?

12.345 cm

• 1

• 12

• 3

• 5

3.02 m = ___________ mm

• 302

• 3002

• 3020

• 30200

Match the following rule and its example

• 4013

• Non-zero

• 68

• Trailing Zero

• 0.529

• Leading Zero

• 900

• Sandwich Zero

When aiming to have precise and accurate measurements you should always estimate how many additional digits

• 0

• 1

• 2

• 3

Timers at a swim meet used four different clocks to time an event. Which recorded time is the most precise?

• 55 s
• 55.25 s
• 55.2 s
• 55.254 s

The sum of 9.6 and 24.231 is 33.831. What is the sum expressed in CORRECT SIGNIFICANT DIGITS?

(a)  

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