Answer:
3820 years
Step-by-step explanation:
The age of the skull can be found using carbon-14 by applying the half-life relationship.
Age of skull is given by;

where N=63 N₀=100 -0.693=decay factor of carbon and 5730 =half-life of carbon-14, t =age
substitute values in equation

Answer:
0+1=1
Step-by-step explanation: 1/5 is close to 0 on a fraction number line, and 7/8 is close to 1 whole.
Answer:
x= 78
Step-by-step explanation:
Focus on the blue traingle:
∠BHI= 180° -47° -31° (∠sum of triangle)
∠BHI= 102°
x°= 180° -102° (adj. ∠s on a str. line)
x°= 78°
x= 78
<u>Alternatively</u><u>,</u>
x°= 47° +31° (ext. ∠ of triangle)
x°= 78°
x= 78
Answer:
Step-by-step explanation:
Time for first clock is 8:34
Time for second clock is 11:48
subtract them: 11 hrs. 48 min.
- 8 hrs. 34 min.
_____________
3 hrs. 14 min.
Answer: ⇒V=π×32×53=45×π3≈47.124 cubic cm
Hope this helps!!