Mathematics

Janessa Mercer

16 January, 13:55

Can you check to see if tese are right? 1 What is 0.68 written as a simplified fraction? 68/100 17/25 100/68 34/25 2 Mrs. Whimsey's class is having a pizza party. If there are 16 students and 4 pizzas cut into 8 slices, what answer choice represents the fraction of one pizza each student receives?

one-third one-sixteenth one-fourth one-eighth 4. Based upon the 2010 census data, the total population of the U. S. is 308,745,538 people. Approximately, what is this population in scientific notation?

3.1 x 10^8 3.1 x 10^7 3.1 x 10^-8 31 x 10^7 5. What is the solution to (4 x 10^3) x (6 x 10^6), written in scientific notation?

24 x 10^9 2.4 x 10^9 24 x 10^18 2.4 x 10^10 8 What is 0.00000512 in scientific notation? 5.12 x 106 512 x 105 5.12 x 10-6 512 x 10-5 9 What is thirty-one over five written as a decimal? 1.6 6.1 6.2 6.5 My answers are: 1. 17/25 2. 1/8 4. 3.1 x 10^8 5. 2.4 x 10^9 8. 5.12 x 10^6 9. 6.1