chem finals review quiz

what is the correct order of the metric prefixes?

• kilo, hecto, deci, base, deka, cent, micro / /milli/ /nano

• kilo, hecto, deci, base, deka, centi, milli, / / micro / /nano

• nano// micro//milli, centi, deka, base, deci, hecto, kilo

• kilo, hecto, deka, base, deci, centi, milli / / micro / / nano

If the decimal is moved to the right, you write a _______ superscript

whats the density of an object if its mass is 54 g and the volume is 9 cm^3

• 9 g/cm^3

• 486 g/cm^3

• 6 g

• 6 g/cm^3

Which is equivalent to .789 x 10^4

• 7,890,000

• 7,890

• .0000789

• 00.00789

which number follows sig figs?

• 1.02500450

• 0.00090

• 40000

• 750

what is the volume of a solid measured in?

• cm^3

• grams

• mL

• liters

.007469 hg = ___ mg

• 7.469 mg

• 7469 mg

• 74,690 mg

• 746.9 mg

Put this number into scientific notation: .00000000789

• .789 x 10^-9

• 7.89 x 10^9

• 78.9 x 10^-10

• 7.89 x 10^-9

the equation to find the volume of an object is mass_____ by volume

what is the rule when adding and subtracting sig figs?

• The amount of numbers in the answers does not matter.

• The answer can have as many decimal places as the fewest used in the math.

• The answer can only have as many sig figs as the fewest in the math.

• The answer can have as many decimal places as the most used in the math.