Quiz Review Question Preview (ID: 43227)


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

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

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

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

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

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

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

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

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

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

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

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

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

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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