4 sig figs
Provide a number with 4 sig figs.
4321
How would you report 73000 mL in scientific notation?
7.3 * 10^4 mL
You are planning to report the volume of blood extracted during a mosquito bite. What would be the appropriate prefix to add to L?
A: milli or smaller
The weight of an apple is 75 grams, and you ask your younger sister to weigh it for you so she can practice her measurement skills. Give an example of 3 possible measurement values that are precise but inaccurate.
clearly miss 75 g, but be precise to the tenths/hundredth place
Provide a number with 4 sig figs with a zero in the middle.
56.06 or 1204
2.2*106 J. Please report this in non-scientific notation.
2,200,000 J
How many micrograms are in one gram?
10^6 μg in 1 g
The weight of an apple is 75 grams, and you ask your younger sister to weigh it for you so she can practice her measurement skills. Give an example of 3 possible measurement values that are accurate but not precise.
74.9 g, 75.2 g, 74.8 g
Provide a number with 4 sig figs with a zero at the beginning.
0.1234, beginning zero doesn’t count!
0.076523 m.
Report this in scientific notation.
7.6523*10-2 m
How many meters are in 3 nanometers?
3 * 10^-9 m in 3 nm
Imagine you see data reported as 4000kg +/- 1 1000kg. How many sig figs are implied by the reported precision of +/- 1000kg?
1
Provide a number with 4 sig figs that ends with a zero. This is the DAILY DOUBLE! Student decides how many points this question is worth. Ask the student for two iterations: one greater than 10, one less than 10.
<10: 1.000 or 0.1200, >10: 100.0 or 11.00
Add 7.02*102 mm to 2.12*103 mm. Report your answer in scientific notation. Pay attention to sig figs!
2.82*103 mm
What would be a better way to write 73,000 mL +/- 1 mL?
73 L +/- 0.001 L
Imagine you see data reported as 73000 mL +/- 1 mL. How many sig figs are implied by the reported precision of +/- 1 mL?
5 —> highlight that this is written incorrectly if it actually is 5 sig figs