What are the 5's?

How many 4-digit numbers can be formed by the digits 1 2 3 4 using the digits once? What is the GCF of 18x to the 3rd power and 6x to the 2nd power? What is 6487 rounded to the nearest hundred? How many miles did zheng he travel? What is 6and 3 fifths divided by 2 and 1 fourth? Does a camera has a length of more or less than one centimeter? What is the word form of 0.002? Can two rays make an angle? What and halfway between 40 500 and 20 100? What is survey schedule? What is the value of the sin i sin R ratio for glass and air? What is the prime factorization using exponents 600? What are the rules for counting errors in typed copy? What is 0.19 kilogram in grams? How many minutes are in 1.5 years? How many syllables are in the word least? Is the set of cats a part of the whole set of farm animals? How many 3-pound bag of apples can be made from 1250 pounds of apples? How do you determine if two fractions are equal? What is the full meanings APRM?