Problem page try again your answer is wrong. in addition to checking your math, check that you used the right data and did not round any intermediate calculations. calculate the mass of gold(iii) chloride that contains a trillion chlorine atoms. be sure your answer has a unit symbol if necessary, and round it to significant digits.

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the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2