Thousand is 1,000, or 10^3, when multiplied by the 100 in 427, it becomes 10^5. Because we divided 427 and put the notation in the 10^#. It would be 4.27, once we add the ten^#, it becomes..
Answer: 4.27*10^5
(a² + b² - 2ab) + 2ac - 2bc = (a - b)² + 2c(a-b) = (a-b)(a-b +2c)
10 + 1/3x= 13
1/3x=3
divide 1/3 on each side to cancel it out
3/ 1/3= 3 times 3 which equals= 9
the number is 9
4 and 5 because it talks about how