CHEM 2nd P

Select the unit that can not be used to measure weight.

• Pounds

• Kilogram

• Quarter

• Ounce

Select the unit that can NOT be use to measure lenght

• Foot

• Nanometer

• Pound

• Inch

The official International System’s unit of measure for temperature is…

• Celsius

• Fahrenheit

• Kelvin

• Pound

There are ____ centimeters in 3 inches.

In 4 kilometers we have _______ meters.

In 1.5 miles there are ____ meters.

1 mile = 1.609 km

In 712 meters we have _____ feet.

1 foot = 30.48 cm

Write using just one decimal place, no rounding.

Choose the option with more sig figs.

• 0.00009

• 876

• 87009

• 1.250

Choose the option with the least number of sig figs

• 0.0000000007

• 9864

• 98.080

• 54

Which of the following represents 45,000 in scientific notation?

• 4.5 x 10⁴

• 45 x 10³

• 0.45 x 10⁵

• 4.5 x 10⁵