8,900,000,000 in scientific notation
8.9 x 109
Express 350 centimeters in meters
3.5 meters
The SI unit for time
Seconds
Number of sig figs in 76.5
3
Find the sum and express using sig fig rounding rules:
0.006 km + 0.059 km
0.065 km
670,000,000 in scientific notation
6.7 x 108
Express 97.4 meters in centimeters
9,740 centimeters
SI unit for length
Meter
Number of sig figs in 8,900
2
Find the difference and round using sig fig rules:
0.463 Mm - 0.09 Mm
0.37 Mm
0.0000034 in scientific notation
3.4 x 10-6
Express 5.3 kilometers in meters.
5,300 meters
SI unit for mass
Kilogram
Number of sig figs in 600.2
4
Find the difference and round using sig fig rules:
0.0205 m - 0.009 m=
0.012 m
4.77 x 106 in standard form
4,770,000
Express 2 hours in seconds
7,200 seconds
SI unit for temperature
Kelvin
Number of sig figs in 0.0004
1
Find the product and round using sig fig rules:
9.8 m/s (3 kg)
30N
2.04 x 10-6 in standard form
0.00000204
Express 2.3 miles in meters when 1 mile is 1.61 kilometers.
3,703 meters
SI unit for electric current
Ampere
Number of sig figs in 20.000
5
Use the speed formula to calculate the speed and round using sig fig rules.
Distance: 150 m Time: 20.5 s
s = d/t
7.3 m/s