How many sig figs?
65,000
2
52.560
5
3
2.00 x 10
3
-2
9.8204 x 10
5
40200.
5
40200
3
0.0000009
1
Report in scientific
notation(keep sig
figs):
23000
4
2.3 x 10
0.0004020
4.020 x 10
900.
-4
2
9.00 x 10
0.002000
2.000 x 10
-3
Report in decimal
notation(keep sig
figs):
-4
6.05x 10
0.000605
6
8.9 x 10
8,900,000
4
4.5000 x 10
45000.
Do calculation-report in
correct sig figs.
3.89 + 2.999 + 9.234=
16.12
90.0 – 3.3=
86.7
45.89/6.7=
6.8
9.785 x 34.908
341.6
Convert 2.530kg to
grams.
How many Sig Figs?
2530.g
4 sig figs
75.0mL is how many L?
0.0750L
3 sig figs
Convert 0.00090m to cm.
0.090cm
2 sig figs
725nm is how many
meters? Use decimal
and sci. notation.
0.000 000 725 m
-7
(7.25x10 )
3
A 5.00cm injection
of an antibiotic is
how many mL?
5.00mL
0.093mg is how
many micrograms?
93 μg