Asingle gram of a certain metallic substance has 0.52 gram of copper and 0.26 gram of zinc. the remaining portion of the substance is nickel. ben estimated that 0.2 gram of nickel is 1 gram of the substance. he used this to estimate the amount of nickel in 35 grams of the substance. find the result of bens estimation strategy. then, find the exact amount of nickel in 35 grams of the substance.

Bella want to know what the students at her school think of her show. which is the best group to survey to find this information a. go to the mall and ask all of the students she recognizes from school b. ask her viewers to call in durning an episode of the show c. get a list of students at her school from the office and use a random number generator to pick 30 of them d. get a list of students at her school from the office and pick the first 30 students on the list