What is the comparative and superlative form of shallow?

What are Numbers that are close to the given numbers that make estimation or mental calculation easier? What is 38 Plus 38? What decimal part of 0.42 is 0.00504? What is 3.38 to the nearest whole number? What is an algebraic expression 4.7 less than a number k? What is 6 trillion divided by 25 thousand? What is 3 plus 3c 18? What is between 2.73 and 2.74? Is types a plural noun? Is 42 divisible by 3? How do you write 630 million? What is another name for letterforms? What is 6 dived by 5 over 6? If you have a regular octagon and a regular pentagon and one regular hexagon will they fit together perfectly? What 3 numbers added together equal 16? What is the opposite of midget? What is fraction which means five out of 9 equal parts? 1000 billion is called what? What is the relationship between 7 and -7? How much is 3000000 divided by 4?