In 321 b.c young prince

How do you round 715 to the nearest ten? How many days are there in 12000 hours? How far is 22 meters? What odd number between 20 and 30? Lines of symetery? What is mean logrolling? How many seconds are in five hours? What are the importance of linear equation? What is 10 to the fifth power x 10 to the second power? How many 4 digit number combination are there using 1 3 5 7 and you can use each number more than once? Current multiplied by time equals? What is the code for level 17? What is 3 percent 0f 2600? Are the Chinese race of people the smartest race in the world? How is one kilometer measured? 281.1025 in word form? When two dice are rolled find the probability that the sum is a multiple of 3 or greater than 4? What is the formula to calculate wash ratio on thickeners? How large is .3cm? What is a landmark multiple?

In 321 b.c young prince?