Answer
use the following information to complete parts i, ii, and iii.
1 hour = 3600 seconds
1 year = 31556952 seconds
part i: use scientific notation to estimate the number of hours in one year.
part ii: use scientific notation to calculate the exact number of hours in one year.
part iii: in two or more complete sentences, compare your answers to parts i and ii. in your comparison, discuss similarities and differences in your answers.

/is used for a fraction 1) if x = 2/3 and y = 3/4, what is the value of (x + y) (x/y) expressed as a common fraction? 2) what is the least positive integer greater than 1 that leaves a remainder of 1 when divided by each of 2, 3, 4, 5, 6, 7, 8, and 9? 3) the ponde family's powerjet pumps 420 gallons of water per hour. at this rate, how many gallons of water will it pump in 45 minutes? 4) kim's insurance company pays 80% of the cost of all prescription medication she purchases in a year beyond the first $250 worth of prescriptions. her prescriptions for this year cost a total of $570. how many dollars of this amounts will kim's insurance company pay?

Which data set has a greater spread? why? set a: {38, 12, 23, 48, 55, 16, 18} set b: {44, 13, 24, 12, 56} has a greater spread because .

Which one is true about the hexagons ?