We rewrite the equation:
y = y0 * e ^ (- 0.0002 * t)
In this equation:
I = represents the initial amount of the isotope
We have then:
89% of the isotope left:
0.89 * y0 = y0 * e ^ (- 0.0002 * t)
We clear the time:
e ^ (- 0.0002 * t) = 0.89
Ln (e ^ (- 0.0002 * t)) = Ln (0.89)
-0.0002 * t = Ln (0.89)
t = Ln (0.89) / (- 0.0002)
t = 582.6690813
round to the nearest year:
t = 583 years
Answer:
There will be 89% of the isotope left in about:
t = 583 years
Answer:
19 cm
Step-by-step explanation:
Triangle Inequality Theorem:
The sum of two side lengths of a triangle is always greater than the third side.
17+7> 19 17+7 IS NOT BIGGER THAN 28
17+19>7
7+19>17
Answer:
Step-by-step explanation:
1.<ABC sides=AC and BC
<DEF sides=DE and DF
2.<KLM sides=KLM
Answer:
Step-by-step explanation:
160,60 s the 4th vertex
Answer:
There are 1.75 quarts in a cup.
Step-by-step explanation: