How many 3km to meter?

How did Louis Braille did invent the braille alphabet? Who is the father of scientific notation? Are decimeters bigger or smaller than centimeters? Calculate the time required to dial the number 009144414630 using a rotary dial telephone if subscriber takes 600ms on an average to rotate the dial for a single digit and interdigit gap is 200ms.? What does cube root mean in math? What was michelangelos IQ? Is 1 a perfect square root? What is an alternative to water displacement for finding the volume of a solid? How many days are in 276 hours? How far can move at a speed of 60 miles per hour in 2 hours? What is prime factorization of 3008? What is 13 add 8? What is the meaning of sin cos tan? Is 1 in a half equal to 7 twelfths? Which year was I born if I am 11 this year? What is correct scientific notation for the value 0.000537? What is the significance of paleolithic? What is 3 and 32 thousandths? What does 4 to 5 mean? Is 4.1 a interger?