The applicable decay formula is:N = No*e^(-kt)WhereN = Mass left after time tNo = Original massk = constantt = half lifeUsing the values given,N/No = e^(-0.1446t) = 1/2ln (1/2) = -0.1446 t *ln e^1-0.6931 = -0.1446 tt = 0.6331/0.1446 = 4.79 daysTherefore, half-life is 4.8 days.
Answer:
b
Step-by-step explanation:
75-30=45
6 is the amount that it cost for each guest well 6x7=42 therefore milo can only invite up to 7 guests to his party
Answer:
3 is the answer
1/3*9/1=9/3=3
Step-by-step explanation: