S1 Chemistry Test-Out

How many sig figs does this number have:

35.0

• 1

• 2

• 3

• 4

How many sig figs does this number have:

0.003050

• 1

• 2

• 3

• 4

Round the following number to 3 sig figs:

4.508

• 4.51 x 10²

• 4.50

• 4.51

• 4.6

Round the following number to 2 sig figs:

500,034

• 500,000

• 510,000

• 5.1 x 10⁵

• 5.0 x 10⁵

Perform the following calculation (use correct sig figs and do not use spaces in your answer):

3.6 x 1000.0 x 3.45

(a)  

Perform the following calculation (use correct sig figs and do not use spaces in your answer):

110.4 + 24.1 + 34.56

(a)  

Perform the following calculation (use correct sig figs and do not use spaces in your answer):

 $\frac{\left(1.24\times10^2\right)\left(2.406\ \times10^{-3}\right)}{3.46\ \times10^{-6}}$  

(a)  

Which number is not in scientific notation?

• 10.2 x 10³

• 1.02 x 10⁰

• 4.5200 x 10⁴

• 6 x 10¹

The prefix "kilo" means

• 10

• 100

• 1000

• 10,000

Which of these setups is correct for converting 55 km/h to m/s?

• A

• B

• C

• D