Answer:
20 * 10⁻⁹
Explanation:
Assume that the number of times is t
Now, we want to know what number (t) multiplied by 2 * 10¹⁴ will result in
4 * 10⁶
Translating this into an equation:
2 * 10¹⁴ * t = 4 * 10⁶
Solving for t:
t = (4 * 10⁶) / (2 * 10¹⁴)
t = 20 * 10⁻⁹
Hope this helps :)
