Which number is equivalent to 5×10+4×1+8×1/10+6×1/100+1×11,000?

Airline passengers arrive randomly and independently at the passenger-screening facility at a major international airport. the mean arrival rate is 10 passengers per minutes. compute the following probabilities. p(x = 4) p(x > 11)

What is the lcm of 16 and 40 ? 24 and 40 ?

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30