Both powers should be in the denominator with positive exponents.
Answer:
13/50
Step-by-step explanation:
The probability is 13/50.
We need to calculate a TIME. Here, TIME = job / rate
Here,
1 JOB 1 1
------------------------------------- = ------------------ = ---------------
JOB/5 min + JOB/15 min 1/5 + 1/15 3/15+1/15
1
= ------------ minutes = 15/4 minutes = 3 3/4 minutes (answer)
4/15
You answer is a^10
when multiplying by exponents, you really add them