Quiz Review Question Preview (ID: 43227)


Review For Quiz In Chemistry. TEACHERS: click here for quick copy question ID numbers.

convert 27 mm into m
a) .27 m
b) .027 m
c) 270 m
d) 2700 m

Convert 7 kL into L
a) .7 L
b) .07 L
c) 7000 L
d) 700 L

Convert 30 hg into dkg
a) 3 dkg
b) 300 dkg
c) .3 dkg
d) 300 dkg

Round 24500 to 2 sig figs
a) 25000
b) 25
c) 2.5
d) 20000

Round 3230 to 1 sig fig
a) 3000
b) 4000
c) 3
d) 3.00

What is 9.2 + 8 + 5.23 =. Round to correct number of sig figs
a) 22.43
b) 20
c) 22
d) 22.4

5.0 * 3.00 = ? Round to correct number of sig figs
a) 15
b) 20
c) 15.0
d) 10

What is 300,000,000 in scientific notation?
a) 3.00 x 10^8
b) 3 x 10^-8
c) 3 x 10^8
d) 3.00 x 10^-8

What is .000054 in scientific notation?
a) 5.4 x 10^5
b) 5.4 x 10^-5
c) 5 x 10^-5
d) 5 x 10^5

When multiplying numbers, how do you determine how you round?
a) Most number of decimal places
b) Least number of decimal places
c) Least number of significant figures
d) Most number of significant figures

When reading analog equipment, how many places out is your measurement?
a) The same as the major scale
b) The same as the minor scale
c) one digit further than the major scale
d) One digit further than the minor scale

I place a stone on the balance and get 423 g. How many significant figures is my measurement?
a) 3
b) 2
c) 1
d) 4

convert 16.2 cm into m
a) .162 m
b) 162 m
c) .0162 m
d) 1620 m

Which of these isn't a metric unit?
a) meter
b) gram
c) liter
d) pound

what is 2.9 * 9 = ? Round to the correct number of significant figures
a) 26.1
b) 26
c) 30
d) 20

How many significant figures does 12.00 have?
a) 2
b) 1
c) 4
d) 3

convert 1 mm into cm
a) 10 cm
b) .1 cm
c) .01 cm
d) 100 cm

4.31 + 3.2 + 5.00
a) 12.51
b) 13
c) 12.5
d) 12

Convert .0000000085
a) .85 x 10^8
b) 8.5 x 10^9
c) 85 x 10^10
d) 8.5 x 10^8

how many significant figures are there in .00250
a) 3
b) 5
c) 2
d) 4

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