Aperson has 100 light bulbs whose lifetimes are independent exponential with mean 10 hours. if the bulbs are used one at a time, with a failed bulb being replaced immediately by a new one, approximate the probability that there is still a working bulb after 1050 hours.

As shown in explanation

Step-by-step explanation:

It is important because sometimes ur dna needs to multiply

You have 2 sides that are 2 cms and you have 6 sides that are 1/2 cm and you have 4 sides that are 1 cm. the smallest sides are 1/2 the medium sized sides are 1 and the smallest are 1/2. so to find the perimeter you have to add them all up together so your answer will be 11 cm's