Scientific Notation Part 1: Determine the number of significant digits in each number, and write the specific significant digits. 1. 405000 2. 0.0098 3. 39.999999 4. 13.00 5. 80,000,089 6. 55,430.00 7. 0.000033 8. 620.03080 Part 2: Convert each regular number into scientific notation. 1. 70,000,000,000 2. 0.000000048 3. 67,890,000 4. 70,500 5. 450,900,800 6. 0.009045

Approximately 90% of all cases of polycystic kidney disease are inherited in an autosomal dominant fashion. the disease is typically related to mutations to genes (pkd1 and pkd2). pkd genes can be found on chromosome 16. the disease occurs in approximately 1: 800 to 1: 1000 people. here is a hypothetical example. the dominant allele d will cause the development of pkd. the recessive allele is known as d. what genotypes would correspond to suffering from pkd? dd, dd what genotypes would correspond to being normal (not suffering from pkd)? dd consider that 1: 1,000 people have pkd in your population of 325million. consider that pkd is inherited in an autosomal dominant fashion. show you math for all of the following questions: what is the genotypic frequency for dd? what is the genotypic frequency for dd? what is the genotypic frequency for dd? what is p? what is q? how many people in your population would have pkd?

When coal has reached it hardest, darkest form, it is called select one: 0 a. sub-bituminous b. lignite c. bituminous d. antrhacite next page

The body of water found at number 4 on the map above is the