Sig Figs
12.34 x 0.0010 =
0.012
If you are driving 65 miles/hour, how many minutes will it take you to drive 38 miles?
35 minutes
What do all atoms of the same element have in common?
# of P
1.287 / 0.9000 =
1.430
If a person is 5.0 ft 4.0 inches tall, how tall are they in cm? 12 in = 1 ft, 1 in = 2.54 cm
163cm
What varies between two isotopes?
# of n
1230 + 450.55 =
1680
The summit of Mt. Humphreys, the highest point in Arizona, is 12,600 ft. How many meters is this?(1 m = 1.0936 yd, 1 yd = 3.000 ft exactly)
3,840 m
What are the two factors that can lead to nuclear instability?
Too big, N/P ratio off
200 + 360 =
600
A concord jet can fly at a maximum speed of 2,182 km/hour. If it flies at its max speed, how many hours will it take the concord to fly from San Diego to New York City, assuming they are 2,445 miles apart. 1 mile = 1.609 km
1.802 hours
How many protons and neutrons in Na-24?
11 P, 13 N
(34.5 x 0.023) + 2.3222 =
3.12
The international space station travels around earth at an average speed of 28,000 km/h. How fast is this in miles/second? 1 mile = 1.609 km
4.8 miles/sec
What are protons and neutrons composed of?
Quarks!