Question

the decay constant of radioactive substance is 5.3 ×10^-3 per year calculate it's half life​

Answer 1

Answer:

Explanation:

Rectengular-a*a+b*b=c*c

Answer 2

Answer:

130.75

Explanation:

decay constant ( k ) = 5.3 * 10^(-3)

so, half life = ln2/k

= 130.75

hope it helps.....