Answer:
1/4 of the original
Explanation:
That would be TWO half lives:
1/2 * 1/2 = 1/4 <======= 1/4 would be left
Scatter light doesn't reflect, reflect light goes off a mirror.
Don’t mind this i just need to answer under something because i just signed up !
The force of friction is given by:
f = μR, where μ is the friction coefficient and R is the reaction force, which will be equal to the weight.
100 = μ x 130
μ = 0.77
Answer: 4 x 106
That’s how you write forty million in scientific notation.