A nickel is about 2 millimeters thick, or 2/1,000 of a meter. How many nanometers is this?

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

How do you use the elimination method for this question? explain, because i really want to understand!

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.